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Analog
It is fast, easy to install and run, very flexible, features multi-language support, produces attractive output, can be run directly or from a form interface, understands any logfile format, and works on any operating system. It can report in 36 languages.
AngelScript
The AngelCode Scripting Library, or AngelScript as it is also known, is an extremely flexible cross-platform scripting library designed to allow applications to extend their functionality through external scripts. Featuring a syntax similar to C/C++, it has been designed from the beginning to be an easy to use component, both for the application programmer and the script writer.
Anjuta
Anjuta is a development IDE. Current features include project management, application wizards, an on-board interactive debugger, and a source editor with source browsing and syntax highlighting.
Antidote
Antidote is an open source implementation of the IEEE 11073-20601 standard. It also contains the implementation of a D-Bus based 11073 manager service.
Anubis Heckert gnu.tiny.png
Anubis is an SMTP message submission daemon. It represents an intermediate layer between mail user agent (MUA) and mail transport agent (MTA), receiving messages from the MUA, applying to them a set of predefined changes and finally inserting modified messages into an MTA routing network. The set of changes applied to a message is configurable on a system-wide and per-user basis. The built-in configuration language used for defining sets of changes allows for considerable flexibility and is easily extensible. GNU Anubis can edit outgoing mail headers, encrypt and/or sign mail with the GNU Privacy Guard, build secure SMTP tunnels (Simple Mail Transport Protocol) using the TLS/SSL encryption even if your mail user agent doesn't support it, or tunnel a connection through a SOCKS proxy server.
Apache HTTP Server
The Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Originally designed as a replacement for the NCSA HTTP Server, it has grown to be the most popular web server on the Internet. It features support for HTTPS, virtual hosting, CGI, SSI, IPv6, easy scripting and database integration, request/response filtering, many flexible authentication schemes, and more.
Archimedes Heckert gnu.tiny.png
Archimedes is a free package for semiconductor device simulations. It is intended to assist engineers in designing and simulating submicron and mesoscopic semiconductor devices based on the Ensemble Monte Carlo method. It is able to handle a wide variety of materials and structures, which are described through simple scripts. It is a 2D Monte Carlo simulator which can take into account all the relevant quantum effects by means of Bohm effective potential. The description of the device is very general and made by means of a simple script language, which makes GNU Archimedes a powerful tool for the simulation of quite general 2D semiconductor devices. Some very interesting results have been obtained and they will be put, as soon as possible, on the web page (some results are already available in the documentation).
Argp
A wrapper for getopt(1) which provides the major features of argp_parse(3) to bash scripts. Scripts pipe their option descriptions (flat file or XML) to argp.sh to generate the code for getopt(1). Also, argp.sh automatically generates help (--help) or a man-page skeleton. Requires bash-3+. There is a c-version argp.c which calls argp_parse(3) directly if speed is an issue.
Aria
Aria is a download tool similar to Reget or GetRight. It downloads files from the Internet via HTTP or FTP. The transfer can be paused, resumed, queued, and saved. You can paste URLs from the clipboard, pasting as many as you want at a time. It has a friendly GTK-based GUI and useful log consoles. It supports URL list import, CRC checking, an HTTP proxy server, HTTP recursive downloads, defining specific file retrieval procedures for particular servers, and cut-and-paste.
Aris Heckert gnu.tiny.png
A sequential proof program, designed to assist anyone interested in solving logical proofs. Aris supports both propositional and predicate logic, as well as Boolean algebra and arithmetical logic in the form of abstract sequences. It uses a predefined set of both inference and equivalence rules, however gives the user options to use older proofs as lemmas, including Isabelle's Isar proofs.
Aseprite
Aseprite is a pixel art editor. It was specifically designed for that task. ASEPRITE (aka ASE, Allegro Sprite Editor) is a free software program to create animated sprites & pixel art. Sprites are little images that can be used in your website or in a video game. You can draw characters with movement, intros, textures, patterns, backgrounds, logos, color palettes, isometric levels, etc." Download Categories
Astronomical Papers Library
A C library containing theories of motion of solar system objects that have been published in various astronomical journals such as Astronomy & Astrophysics, the Astronomical Journal, and Astronimcal Papers prepared for the use of the American Ephemeris. Currently this includes such theories as Newcomb's "Tables of the Sun" and all the planets as well as the theory known as "The Improved Lunar Ephemeris".
Audacious
Audacious is a free software audio player. A descendant of XMMS, Audacious plays your music how you want it, without stealing away your computer’s resources from other tasks. Drag and drop folders and individual song files, search for artists and albums in your entire music library, or create and edit your own custom playlists. Listen to CD’s or stream music from the Internet. Tweak the sound with the graphical equalizer or experiment with LADSPA effects. Enjoy the modern GTK-themed interface or change things up with Winamp Classic skins. Use the plugins included with Audacious to fetch lyrics for your music, to set an alarm in the morning, and more.
Aumix
Aumix is a program for adjusting audio mixers from the command line or scripts, or interactively at the console or a terminal with a full-screen, ncurses-based interface or a GTK-based X interface.
Autogen Heckert gnu.tiny.png
'AutoGen' generates program files that contain repetitive text with varied substitutions. It simplifies the maintenance of programs with large amounts of repetitive text, which is useful if several blocks of such text must be synchronized. It includes:
  • AutoOpts - automates the handling of command line, environment and config file options, including usage text, man pages, and the invoking section of an info doc
  • getdefs - extracts AutoGen definitions from stylized comments embedded in source code
  • columns - tabularizes lists for improved output appearance
  • AutoXDR - NFSv4 specifies that its remote procedure calls be batched. AutoGen generates the code for marshalling and unmarshalling the arguments on both sides of the RPC request
  • AutoFSM - produces a transition table and prototype finite state machine where it is possible to determine a state transition type (token code) without reference to the current state
  • xml2ag - lets AutoGen use any XML file as if it were a set of AutoGen definitions
Avl Heckert gnu.tiny.png
libavl is a balanced tree library that comes with full documentation. It includes unthreaded, right threaded, and fully threaded variants of AVL tree, as well as unthreaded red-black trees. It features self-test routines as well as insertion, deletion, tree count, tree copy, tree walking and traversal, search, and threading and unthreading routines. Each function has a comment describing its interface, and each step in the algoritms the program uses has a comment also. Each source code file includes a built-in test routine.
Awhttpd
'Anti-Web httpd' is a single-process Web server that relies on its inherent simplicity to be robust and secure. It has support for virtual hosts, CGI, IPv6, and more. In its default mode, though, it is easy to launch and requires no configuration files. It implements the bare minimum of HTTP 1.1 necessary to be a productive web server. It doesn't support certain requests like HEAD (anymore), but normal users will never notice the difference. POST request support is in the works, as is HTTPS/SSL support.
BBrun
BBrun is a run window for Blackbox with dropdown history list. It can be run in either slit or withdrawn mode so that it can be bound to a keystroke from bbkeys.
BRL-CAD
BRL-CAD includes an interactive geometry editor, parallel ray-tracing support for rendering and geometric analysis, path-tracing for realistic image synthesis, network distributed framebuffer support, image-processing and signal-processing tools.
Barcode Heckert gnu.tiny.png
GNU barcode is a tool to convert text strings to printed bars. It supports a variety of standard code to represent the strings and creates postscript output. Features include:
  • available as both a library and a command line frontend (so you can include barcode printing in your application)
  • supports UPC, EAN, ISBN, CODE39, and other encoding standards
  • Postscript and encapsulated postscript output (other backends can be added as needed)
  • Accepts sizes and positions as inches, millimeters, and centimeters
  • Can create tables of barcodes (to print labels on sticker pages)
Bas55
bas55 is an editor and interpreter for the Minimal BASIC programming language, as defined by the ECMA-55 standard.
Bash Heckert gnu.tiny.png
Bash is the shell, or command-line interpreter, of the GNU system. It is compatible with the Bourne Shell, but it also integrates useful features from the Korn Shell and the C Shell and new improvements of its own. It allows command-line editing, unlimited command history, shell functions and aliases, and job control while still allowing most sh scripts to be run without modification.
Bc Heckert gnu.tiny.png
'Bc' is an arbitrary precision numeric processing language. Its syntax is similar to C, but differs in many substantial areas. It supports interactive execution of statements. 'Bc' is a utility included in the POSIX P1003.2/D11 draft standard. This version does not use the historical method of having bc be a compiler for the dc calculator (the POSIX document doesn't specify how bc must be implemented). This version has a single executable that both compiles the language and runs the resulting 'byte code.' The byte code is not the dc language.
Beremiz
Beremiz is an integrated development environment for machine automation. It is Free Software, conforming to IEC-61131 among other standards. It relies on open standards to be independent of the targeted device, and let you turn any processor into a PLC. Beremiz includes tools to create HMI, and to connect your PLC programs to existing supervisions, databases, or fieldbuses.
Besssugo
besssugo is a free computational tool specifically designed to aid a cognizant expert—i.e. you, whether an engineer, scientist, technician, geek, etc—to build videos showing the result of a certain scientific calculation or whatever data can be computed or storied in a digital computer. Technically speaking, it is a plugin for the computational tool wasora, which provides means to parse and understand a high-level plain-text input file containing algebraic expressions, data for function interpolation, differential equations and output instructions amongst other facilities. Therefore, any mathematical computation which can be done by wasora—i.e. solving systems of differential-algebraic equations, multidimensional interpolation of scattered data, numerical integration and differentiation, etc.—can be combined with the facilities that besssugo provides to create visual representations in the form of animations.
Bfloop
bfloop is an interpreter for the BLooP and FLooP programming languages described in the book Gödel, Escher, Bach by Douglas Hofstadter. BLooP is a language that has only bounded loops, in other words before you enter a loop you have to give a fixed upper limit on the number of times to run the body, and you can’t change the limit while in the loop. It is impossible for a BLooP program to run forever; it always quits with an output in some finite time, an upper limit for which is predictable in advance. Functions that BLooP can compute are called primitive recursive functions, and it turns out that not all functions are primitive recursive. The FLooP language is the same as BLooP with the addition of an unbounded loop (MU-LOOP). FLooP can calculate anything your computer can calculate, but you cannot say in general whether a FLooP program will eventually terminate.
Binutils Heckert gnu.tiny.png
Binutils includes tools capable of creating and managing binary program files, including handling object files, libraries, profile data, and assembly source code.
Bison Heckert gnu.tiny.png
Bison is a general-purpose parser generator that converts an annotated context-free grammar into an LALR(1) or GLR parser for that grammar. Once you are proficient with Bison, you can use it to develop a wide range of language parsers, from those used in simple desk calculators to complex programming languages. Bison is upward compatible with Yacc: all properly-written Yacc grammars ought to work with Bison with no change. Anyone familiar with Yacc should be able to use Bison with little trouble. You need to be fluent in C or C++ programming in order to use Bison.
Blender
Blender is an integrated 3D suite for modelling, animation, rendering, post-production, interactive creation and playback (games). Blender has its own particular user interface, which is implemented entirely in OpenGL and designed with speed in mind. Python bindings are available for scripting; import/export features for popular file formats like 3D Studio and Wavefront Obj are implemented as scripts by the community. Stills, animations, models for games or other third party engines and interactive content in the form of a standalone binary and/or a web plug-in are common products of Blender use.
Bluefish
Bluefish is a powerful editor targeted towards programmers and webdevelopers, with many options to write websites, scripts and programming code. Bluefish supports many programming and markup languages.
Bool Heckert gnu.tiny.png
Bool is a utility for finding files that match a boolean expression. It supports AND, OR and NOT as well as the NEAR operator for locating two expressions within a short distance from each other. The program has separate text processing and HTML processing algorithms; the former separates patterns separated by newlines or words separated by hyphens. The latter understands many features of the HTML 4.01 standard.
Bpel2owfn Heckert gnu.tiny.png
BPEL2oWFN translates a web service expressed in BPEL (Business Process Execution Language for Web Services) into an oWFN (open Workflow Net). This oWFN can be used to:
  • check for controllability or generate the operating guideline using Fiona (www.informatik.hu-berlin.de/top/tools4bpel/fiona)
  • check for deadlocks or any other Petri net property
  • check any temporal logic formula with a variety of model checking tools.
BPEL2oWFN uses static analysis to make the generated oWFN as compact as possible to analyze a chosen property. This is called flexible model generation.
BPEL2oWFN is the successor of BPEL2PN (www.informatik.hu-berlin.de/top/bpel2pn), a Java-based compiler generating low-level Petri nets. BPEL2oWFN is a re-implementation for extensibility and performance issues. Its functionality is a superset of the functionality of BPEL2PN.
GNU BPEL2oWFN was written by Niels Lohmann, Christian Gierds and Martin Znamirowski. It is part of the Tools4BPEL project funded by the Bundesministerium für Bildung und Forschung - BMBF.
Braze
Braze is a program for managing ALSA MIDI connections. It evaluates a Lua script and reconfigures the ALSA MIDI connections based on actions taken by the script. It can also listen for changes to the ALSA MIDI ports and reconfigure the connections accordingly.
Bugs
BUGS is the Big and Useful Great Security key encryption algorithm and applications. It is easy to use, and includes sample applications and documentation. The cryptography library can also be used with your own programs. Features include:
  • Private key algorithm
  • Dynamic cryptography algorithm
  • Source code can be made public without making the algorithm weak
  • Infinite key lengths
  • Bilateral bits swwapping with various windows
  • Bilateral Pseudo randomly binary operations
  • Random number added to key
  • Random number generator using the ISAAC algorithm
  • Possibility of generating your own RNG seed
  • Five different cryptography levels, for the best possible
  • combination of efficiency and speed
  • Seed and shuffle functions
  • A clear text can be crypted using its own data
  • Two methods of execution: direct disk access or memory cache
  • Strong key generator
Busybox
BusyBox combines tiny versions of many common UNIX utilites into a single small executable. It provides minimalist replacements for most of the utlities you usually find in GNU coreutils. The utilites in BusyBox generally have fewer options than their full-featured GNU cousins. This package is widely used for rescue and embedded systems. It also provides more compact alternatives to other common utilities such as bzip2, dhcp, diffutils, e2fsprogs, file, findutils, gawk, grep, inetutils, less, modutils, net-tools, procps, sed, shadow, sysklogd, sysvinit, tar, util-linux, and vim.
Bwstats
This application runs as a daemon until you'll stop it by CTRL+C or kill. It collects the actual bandwidth of a given device to a logfile to generate the diagram (flow chart) from this logfile then. It is highly configurable by commandline arguments. Try `bwstats -h` to get information on how to use this application.
C2lib
c2lib is a library of basic tools for use by C programmers. It contains features heavily influenced by both Perl's string handling and C++'s Standard Template Library (STL). Its goal is to provide some of the advantages of Perl with only around a factor of 2-3 code-size expansion, while retaining most of the efficiency advantages of C and remaining compatible with existing libc functions.
CDimgtools
CDimg tools is a set of command line tools to manipulate CD/DVD images of certain formats.
CHEAT
Minimal unit testing framework for the C programming language.
CMake
CMake is a cross-platform build system. It is used to control the software compilation process using simple platform and compiler independent configuration files. It generates native Makefiles and workspaces that can be used in the compiler environment of your choice. CMake is quite sophisticated: it is possible to support complex environments requiring system configuration, pre-processor generation, and code generation.
CUPS
CUPS is a printing system that uses the Internet Printing Protocol (IPP). It provides System V and BSD command-line interfaces, as well as a Web interface and a C programming interface to manage printers and print jobs. It supports printing to both local (parallel, serial, USB) and networked printers, and printers can be shared from one computer to another. Internally, CUPS uses PostScript Printer Description (PPD) files to describe printer capabilities and features and a wide variety of generic and device-specific programs to convert and print many types of files.
CUnit
CUnit is a light-weight library that allows programmers to test their C code. Test results can be browsed in multiple formats or built-in interfaces.
CVSps
CVSps is a program for generating 'patchset' information from a CVS repository. A patchset is defined as a set of changes made to a collection of files, and all committed at the same time (using a single 'cvs commit' command). This helps you see the big picture of the evolution of a cvs project. You can see the history of committed patchsets, restrict by author, date range, files affected, branches affected. The program can also generate a diff of a given patchset. It essentially gives you the equivalent of tagging before and after each commit.
Cairo
Cairo is a 2D graphics library with support for multiple output devices. Currently supported output targets include the X Window System (via both Xlib and XCB), Quartz, Win32, image buffers, PostScript, PDF, and SVG file output. Experimental backends include OpenGL, BeOS, OS/2, and DirectFB. Cairo is designed to produce consistent output on all output media while taking advantage of display hardware acceleration when available (eg. through the X Render Extension). The cairo API provides operations similar to the drawing operators of PostScript and PDF. Operations in cairo including stroking and filling cubic Bézier splines, transforming and compositing translucent images, and antialiased text rendering. All drawing operations can be transformed by any affine transformation (scale, rotation, shear, etc.) Cairo is implemented as a library written in the C programming language, but bindings are available for several different programming languages.
Calconsole
Calconsole is a calendar and schedule command-line appliction. It is like the standard "cal" utility but with a schedule feature. It works with event data stored in ICS files which are compatible with other calendar applications.
Calibre
Calibre is an e-book manager that can view, convert, edit and catalog e-books in all of the major e-book formats. It's a complete e-library solution that includes library management, e-book format conversion, newsfeed to e-book conversion, integrated e-book viewer, and synchronization with e-reader devices.
Caro
A gomoku-like game with addtional rules: A player can only win if: - He/she has exactly 5 continuous pieces (no more or less) - These pieces have at least a head or tail not being blocked by the opponent's piece There are 2 modes: 1 player (vs AI) and 2 players
Category/Use/organizing
This is set of tools/libraries to allow programmers making one's programs display information about what it does, percent of done and status. Program can file this kind of information about many tasks and subtasks. User, using monitor, could set action to do, when some task (not as process, but task doing by process) change state or have been done.
Ccd2cue Heckert gnu.tiny.png
The program ccd2cue is a CCD sheet to CUE sheet converter for the GNU Operating System. It supports the full extent of CUE sheet format expressiveness, including mixed-mode discs and CD-Text meta-data. It plays an important role for those who need to use optical disc data which is only available in the proprietary sheet format CCD, but don’t want to surrender their freedom. It fills an important gap in the free software world because before its conception it was impossible to use complex forms of optical disc data laid out by CCD sheets in a whole/holy free operating system.
Ccide Heckert gnu.tiny.png
GNU Ccide generates compilable code in a number of languages(including JAVA, C/C++, BASH script, and Euphoria; from a source language file containing one or more commented decision tables. Decision tables are easier to read than traditional if-then-else structures, thereby helping to prevent logic errors.
Ccrtp Heckert gnu.tiny.png
GNU ccRTP is a high performance threadsafe C++ RTP (Real-Time Transport Protocol) stack. It can be used to build both client and server applications for audio and visual conferencing over the Internet, for streaming of realtime data, and for next generation IP based telephony systems.
Cf4ocl
The C Framework for OpenCL, cf4ocl, is a cross-platform pure C object-oriented framework for developing and benchmarking OpenCL projects. It aims to:
  • Promote the rapid development of OpenCL host programs in C (with support for C++) and avoid the tedious and error-prone boilerplate code usually required.
  • Assist in the benchmarking of OpenCL events, such as kernel execution and data transfers. Profiling comes for free with cf4ocl.
  • Simplify the analysis of the OpenCL environment and of kernel requirements.
  • Allow for all levels of integration with existing OpenCL code: use as much or as few of cf4ocl required for your project, with full access to the underlying OpenCL objects and functions at all times.
Features:
  • Object-oriented interface to the OpenCL API
* New/destroy functions, no direct memory alloc/free * Easy (and extensible) device selection * Simple event dependency mechanism * User-friendly error management
  • OpenCL version and platform independent
  • Integrated profiling
  • Advanced device query utility
  • Offline kernel compiler and linker
Cflow Heckert gnu.tiny.png
'GNU cflow' analyzes a collection of C source files and prints a graph charting control flow within the program. It can produce both direct and inverted flowgraphs for C sources, or optionally generate a cross-reference listing. It implements either POSIX or GNU (extended) output formats. Input files can optionally be preprocessed before analyzing. The package also provides an Emacs major mode, so users can examine the produced flowcharts in Emacs.
Check modbus
This is Nagios plugin for Modbus TCP and RTU. This checker has many useful features: - support of IPv6 / IPv4 - support of DNS names - serial port connections (RS232 and RS485) with Modbus RTU (when compiled with libmodbus >= 3.0.0) - support of many data formats (unsigned/signed int16_t, int32_t, float, double) - support of several data orders (LSB, MSB and some others) - retries can be sent to get reliable answer - supports performance data - supports creation dump of the registers in different formats (binary, hexadecimal, decimal) - support binary dump as an input source for data (useful for off-line data) - separate lock files for input and output
Checkaliases
Reads a sendmail aliases file and reports problems in it, such as syntax errors, pipes to missing programs, local users who don't exist, include files that can't be read, files with wrong permissions, duplicate alias names, etc. newaliases.el is GNU Emacs Lisp code to make editing and checking an aliases file easier. It can automatically run checkaliases and newaliases after saving the aliases file.
Checker
Checker was a debugging tool suite which was used to find memory errors at runtime. This project was a GNU package. It has proved its great worth in the 1990 years but has since been decommissioned and is no longer developed. This page has been left for the sake of posterity.
Cherokee
Cherokee is a web server.
Chess Heckert gnu.tiny.png
GNU Chess is a chess-playing program. It can be used to play chess against the computer on a terminal or, more commonly, as a chess engine for graphical chess frontends such as XBoard.
Chpox
'chpox' provides transparent checkpointing and restarting of processes on Linux clusters. It was originally designed for recovery of jobs with a long execution time in case of system crashes, power failures, etc. It works with openMosix, is SMP safe, works as a kernel module, does not require kernel patches or program recompiling/relinking, and supports virtual memory, regular open files, pipes, *nix domain sockets, current directory, termios, and child processes.
Cim Heckert gnu.tiny.png
GNU cim offers a class concept, separate compilation with full type checking, interface to external C routines, an application package for process simulation and a coroutine concept. The portability of the GNU Simula Compiler is based on the C programming language. The compiler and the run-time system is written in C, and the compiler produces C code, that is passed to a C compiler for further processing towards machine code.
Cinclude2dot
Parses C and C++ files to generate a GraphViz graph of included headers.
Classpath Heckert gnu.tiny.png
GNU Classpath (Essential Libraries for Java) is a project to create free core class libraries for use with virtual machines, compilers and tools for the Java programming language. It includes all native methods and core classes necessary for a completely functional Java runtime.s
Claws Mail
Claws Mail is an email client (and news reader), based on GTK+, featuring :
  • Graceful, and sophisticated interface
  • Easy configuration, intuitive operation
  • Abundant features
  • Extensibility
  • Robustness and stability
The appearance and interface are designed to be familiar to new users coming from other popular email clients, as well as experienced users. Almost all commands are accessible with the keyboard. The messages are managed in the standard MH format, which features fast access and data security. You'll be able to import your emails from almost any other email client, and export them just as easily.
Clisp Heckert gnu.tiny.png
ANSI Common Lisp is a high-level, general-purpose programming language. GNU CLISP is a Common Lisp implementation by Bruno Haible of Karlsruhe University and Michael Stoll of Munich University, both in Germany. It mostly supports the Lisp described in the ANSI Common Lisp standard. It runs on most GNU and Unix systems (GNU/Linux, GNU/Hurd, FreeBSD, NetBSD, OpenBSD, Solaris, Tru64, HP-UX, BeOS, IRIX, AIX, Mac OS X and others) and on other systems and needs only 4 MB of RAM. The user interface comes in English, German, French, Spanish, Dutch, Russian and Danish, and can be changed during run time. GNU CLISP includes an interpreter, a compiler, a debugger, CLOS, MOP, a foreign language interface, a socket interface, i18n, fast bignums, arbitrary precision floats and more. An X11 interface is available through CLX, Garnet, CLUE/CLIO. GNU CLISP runs Maxima, ACL2 and many other Common Lisp packages.
Cloudgizer
Cloudgizer is a tool for building web applications as Apache modules in C language enhanced with simple markup, with emphasis on performance, small-footprint, and more productive and safer programming in C. It combines the ease of scripting with the power of C, improving the resource utilization for cloud applications. The programmer writes simple markup language mixed with C code, which is then translated entirely into C code and compiled natively as Apache module. The resulting application is fast and takes less memory, as there are no interpreters or virtual machines. Features include easy markups to use MariaDB database, HTML input parameters, cookies, simpler outputting of web pages, files storage and manipulation, encryption, encoding, program execution, web calls, safer and easier string manipulation etc. - the list is too long to place in one sentence. Overall Cloudgizer does a lot of stuff for you that you'd otherwise need to do yourself. A memory garbage collection system and memory overwrite/underwrite detection comes in handy for program stability. The same goes for string and memory handling markups to help write applications that won't crash. Also included is an application packaging system and an automated application installer. This makes rollout of products and release cycle more manageable. Cloudgizer source files have extension .v. Cloudgizer pre-compiler (cld program) will turn your .v files into .c files, ready for compilation as pure C programs. Then, your program will be compiled and linked with Apache web server on RH/Centos systems. It links with Apache as an Apache module in a "prefork" configuration. It does the work of communicating with Apache, and it makes it easier to write high-performance/small-footprint web programs in C. Cloudgizer is not designed to be thread-safe as it works in a "prefork" configuration of Apache. You can also build command-line programs. The same program can serve as both command-line utility and a web program linked with Apache. Cloudgizer works with RedHat/Centos 7 operating system, Apache web server and mariaDB database.
Clutter
Clutter is an Open GL based interactive canvas library, designed for creating fast, mainly 2D single window applications such as media box UIs, presentations, kiosk style applications and so on. It is a core part of Gnome3.
Cmogstored
cmogstored is an alternative implementation of the "mogstored" storage component of MogileFS. cmogstored is implemented in C and does not use Perl at runtime. cmogstored is the only component you need to install on a MogileFS storage node. Read more about MogileFS here: http://mogilefs.org/ cmogstored is not directly affiliated with the MogileFS project nor any commercial interests behind MogileFS.
Combine Heckert gnu.tiny.png
Pronounced COMbine, like the farm implement, combine matches any number of files to a file, set of files, or input stream. When built on a system with Guile available, it uses Guile to provide extensibility for filtering and data transformation. Additional features include hierarchy handling, a Guile module adapted from the Emacs calendar for performing date arithmetic, and outer joins on either or both sides of a match.
Compare
'Compare' is similar to cmp (in the 'diffutils' package) but faster and with better readable output. It examines one file and standard in (or two files on a byte by byte basis) and prints the file position of the first difference it finds, first in decimal and then in hexadecimal, followed by the differing byte content in hexadecimal and a quoted character.
Complexity Heckert gnu.tiny.png
Complexity may be used to analyze the degree of complexity of functions in a C program. It estimates the difficulty that a human might have in understanding or testing the code. This software attempts to integrate more information than other, similar programs, in order to derive a more accurate estimate of complexity.
Coreutils Heckert gnu.tiny.png
Coreutils includes all of the basic command-line tools that are expected in a POSIX system. These provide the basic file, shell and text manipulation functions of the GNU system. Most of these tools offer extended functionality beyond that which is outlined in the POSIX standard.
Cpio Heckert gnu.tiny.png
Cpio copies files into or out of a cpio or tar archive. The archive can be another file on the disk, a magnetic tape, or a pipe. GNU cpio supports the following archive formats: binary, old ASCII, new ASCII, crc, HPUX binary, HPUX old ASCII, old tar, and POSIX.1 tar. The tar format is provided for compatibility with the tar program. By default, cpio creates binary format archives for compatibility with older cpio programs. When extracting from archives, cpio automatically recognizes which kind of archive it is reading and can read archives created on machines with a different byte-order.
Cppi Heckert gnu.tiny.png
GNU cppi is a cpp directive indenter. It indents C preprocessor directives to reflect their nesting, among other regularizations.
Cuba
The Cuba library offers a choice of four independent routines for multidimensional numerical integration: Vegas, Suave, Divonne, and Cuhre. They work by very different methods, first three are Monte Carlo based. All four have a C/C++, Fortran interface and can integrate vector integrands. Their invocation is very similar, so it is easy to substitute one method by another for cross-checking. For further safeguarding, the output is supplemented by a chi-square probability which quantifies the reliability of the error estimate. This package provides the shared libraries required to run programs compiled with Cuba. To compile your own programs you also need to install libuba3-dev.
Curl
Curl is a command line tool and library for transferring data with URLs. The both do transfers using Internet protocols, including DICT, FILE, FTP, FTPS, Gopher, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMB, SMTP, SMTPS, Telnet and TFTP. Curl also supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload, proxies, HTTP/2, cookies, user+password authentication (Basic, Plain, Digest, CRAM-MD5, NTLM, Negotiate and Kerberos), file transfer resume, proxy tunneling and more.
Curse of War
Curse of War is a fast-paced action strategy game for GNU/Linux implemented using C and ncurses. Since version 1.2.0, there is also an SDL version. Unlike most RTS, you are not controlling units, but focus on high-level strategic planning: Building infrastructure, securing resources, and moving your armies. The core game mechanics turns out to be quite close to WWI-WWII type of warfare, however, there is no explicit reference to any historical period.
DBG-Server
'DBG' is a PHP debugger and profiler. It's can backtrace errors. It shows local and global variables as well as parameters which have been passed to all nested function calls at any point of execution. It also lets you execute scripts in a step-by-step manner, set breakpoints (including conditional ones), evaluate expressions, and watch variables. The profiler lets you find bottlenecks in PHP code at the functions level, the modules level, and even the source lines level.
DNSleak
DNSleak inspects DNS packets on the local network interface to detect leaks. Unlike web-based solutions, it works at the local computer level. No third party servers are used and DNS leak result is a true/false response.
DSSI
DSSI is an API for audio plugins, with particular application for software synthesis plugins with native user interfaces. DSSI is an open specification developed for use in Linux audio applications, although it is portable to other platforms. It may be thought of as LADSPA-for-instruments, or something comparable to VSTi. This package contains the header file required for compiling hosts and plugins.
Daily Pictures
Features
  • receive a notification every day to take a picture
  • save the picture right inside the app (you can delete it from your Camera Roll)
  • share pictures from the app, or save it back to Camera Roll
  • add a title or note to each picture
  • keep track of interesting statistics (how many pictures you’ve taken, how many are left to take this year, how much space you’re using)
  • works on iOS 5 and iOS 6 (and iOS 7 of course)
Dap Heckert gnu.tiny.png
Dap is a small statistics and graphics package, based on C, that provides core methods of data management, analysis, and graphics commonly used in statistical consulting practice. Anyone familiar with basic C syntax can learn Dap quickly and easily from the manual and the examples in it. Advanced features of C are not necessary, although they are available. As of Version 3.0, Dap can read SBS programs, thereby freeing the user from having to learn any C at all to run straightforward analyses. The manual contains a brief introduction to the C syntax needed for C-style programming for Dap. Because Dap processes files one line at a time, rather than reading entire files into memory, it can be, and has been, used on data sets that have very many lines and/or very many variables.
Datamash Heckert gnu.tiny.png
Datamash is a command-line program which performs basic numeric, textual and statistical operations on input textual data files. it is designed to be portable and reliable, and aid researchers to easily automate analysis pipelines, without writing code or even short scripts.
DeaDBeeF
DeaDBeeF (as in 0xDEADBEEF) is a graphical, yet lightweight audio player.
Declara
Substitute the non-free software for income tax declaration generation suggested by Brazilian Government. Tries to support capital gains, variable income, alternative tributation/taxation options for accumulated gains, deductive donations.
Denemo Heckert gnu.tiny.png
Denemo is a music notation editor that provides a convenient interface to the powerful music engraving program Lilypond. Music can be typed in using the computer keyboard, played in using a MIDI keyboard, or even input via a microphone connected to the sound card. Denemo itself does not engrave the music - it uses LilyPond which generates beautiful sheet music to the highest publishing standards. The final product is publication-quality music notation that is continuously generated in the background.
Devhelp
Devhelp is an API documentation browser for GTK+ and GNOME. It works natively with GTK-Doc (the API reference system developed for GTK+ and used throughout GNOME for API documentation).
Dia Heckert gnu.tiny.png
Dia is a program for creating diagrams of all kinds. It can create many types of diagrams, including UML, network and flowchart diagrams. The engine is very flexible and dynamically loads diagram-types from disk. Dia can also print diagrams and export tham to a number pf formats including EPS, SVG and PNG.
DiaSCE
DiaSCE is a C/C++ code editor for GNOME. It pretends to be a complement to Glade, so it doesn't include an environment for GUI development. It has neither a debugger or other kind of tool to help debugging. The idea is for it to be a light code editor that doesn't need too many resources, and makes use of external tools (gcc, glade, ddd, etc.) for some tasks. This project was formerly known as 'david.'
Dico Heckert gnu.tiny.png
Dico is a flexible modular implementation of DICT server (RFC 2229). In contrast to another existing servers, it does not depend on particular database format, instead it handles database accesses using loadable modules. The package includes several loadable modules for interfacing with various database formats, among them a module for dict.org databases and a module for transparently accessing WordNet. New modules may be written in Guile or Python. A console client program, dico, is also included.
Diction Heckert gnu.tiny.png
This program includes both 'diction' and 'style'. 'Diction' identifies wordy and commonly misused phrases; 'style' analyzes surface characteristics of a document, including sentence length and other readability measures. While these programs cannot help you structure a document well, they can help to avoid poor wording and compare the readability of your document with others. Both commands support English and German documents.
Diffutils Heckert gnu.tiny.png
A group of utilities that displays difference between and among text files. 'diff' outputs the difference between two files in any of several formats. If the files are identical, it normally produces no ouput; if they are binary (non-text) it normally reports only that they are different. 'cmp' shows the offsets and files numbers where two files differ; it can also show, side by side, all the characters that differ between the two files. 'sdiff' merges two files interactively. 'diff3' shows differences among three files. If two people have made independent changes to a common original, diff3 reports that difference between the original and the two changed versions, and can produce a merged file that contains both persons' changes along with warnings about conflicts.
Dionysus Heckert gnu.tiny.png
Dionysus is a convenient system for quickly retrieving the values of mathematical constants used in science and engineering. Values can be searched using a simple command-line tool, choosing from three databases: universal constants, atomic numbers, and constants related to semiconductors.
DirectFB
'DirectFB' is a thin library that provides developers with hardware graphics acceleration, input device handling and abstraction, an integrated windowing system with support for translucent windows and multiple display layers on top of the framebuffer device. It is a complete hardware abstraction layer with software fallbacks for every graphics operation that is not supported by the underlying hardware.
Direvent Heckert gnu.tiny.png
Direvent is a program that monitors a set of directories on the file system and reacts when their content changes. When a change is detected, the daemon reacts by invoking an external command configured for that kind of change.
Dnsmasq
Dnsmasq is a lightweight DNS forwarder and DHCP server. It is designed to provide DNS and optionally, DHCP, to a small network. It can serve the names of local machines which are not in the global DNS. The DHCP server integrates with the DNS server and allows machines with DHCP-allocated addresses to appear in the DNS with names configured either in each host or in a central configuration file. Dnsmasq supports static and dynamic DHCP leases and BOOTP/TFTP for network booting of diskless machines.
Dominion Heckert gnu.tiny.png
Dominion is a multi-player world simulation and role-playing game. Each user controls a nation, making economic, political and military decisions for it.
Dont Hang
“Don’t Hang” is a simple hangman game for acquiring and consolidating a basic vocabulary in a foreign language. It supports loading custom word lists and works with Unicode and bidirectional text. It also supports pasting characters from the clipboard.
Doomsday Engine
Doomsday Engine aims to retain the original feel of the games yet leverage modern techniques and technologies, including hardware accelerated 3D graphics and client/server networking. A lot of emphasis is placed on good-looking graphics.
Dosfstools
The dosfstools package includes the mkdosfs (aka mkfs.dos and mkfs.vfat) and dosfsck (aka fsck.msdos and fsck.vfat) utilities, which respectively make and check MS-DOS FAT filesystems on hard drives or on floppies. This version uses the enhanced boot sector/superblock format of DOS 3.3+ as well as provides a default dummy boot sector code.
Duro
The goal of the Duro project is to create a library which is as compliant with the proposed database language D as it is possible for a C library. This library is supposed to serve as a basis for a truly relational database management system (TRDBMS).
  • Tuples and tables (relvars).
  • Relational algebra: RENAME, select (restrict), project, EXTEND, JOIN, SEMIJOIN, UNION, INTERSECT, MINUS, SEMIMINUS, SUMMARIZE PER, DIVIDEBY PER, WRAP, UNWRAP, GROUP, and UNGROUP.
  • Virtual tables (views).
  • Locking and nested transactions.
  • Duro tables are true sets -- uniqueness of tuples (rows) is always enforced. When creating real tables, at least one candidate key must be supplied. A candidate key may be empty.
  • User-defined types (including type constraints) and operators.
  • Declarative integrity.
  • Tcl interface, including support for relational expressions in Tutorial D syntax and operators implemented in Tcl ("stored procedures").
  • Simple GUI admin tool.
xs Duro is implemented on top of the Berkeley DB database library.
Dvswitch
dvswitch is a very basic video mixer that receives DV streams from sources and sends a DV stream to sinks over a TCP/IP network. It has a graphical interface in which all source streams can be viewed and selected from. It is intended to be used for live editing at conferences.
Dwm
dwm is a dynamic window manager for X. It manages windows in tiled, monocle and floating layouts. All of the layouts can be applied dynamically, optimizing the environment for the application in use and the task performed. In tiled layout windows are managed in a master and stacking area. The master area contains the window which currently needs most attention, whereas the stacking area contains all other windows. In monocle layout all windows are maximised to the screen size. In floating layout windows can be resized and moved freely. Dialog windows are always managed floating, regardless of the layout applied. Please notice that dwm is currently customized through editing its source code, so you probably want to build your own dwm packages. This package is compiled with the default configuration and should just give you an idea about what dwm brings to your desktop.
EViacam
Enable Viacam (eViacam) is a mouse replacement software that moves the pointer as you move your head. It works on standard PC equipped with a webcam. No additional hardware is required.
EasyTAG
EasyTAG is an utility for viewing, editing, and writing tags for your MP3, MP2, Ogg Vorbis, and FLAC files using a nice simple GTK+ user interface. Features include (among others):
  • view, edit, write MP3, MP2, FLAC and Ogg Vorbis tags
  • can edit more tag fields : Title, Artist, Album, Disc Album, Year, Track Number, Genre, Comment, Composer, Original Artist/Performer, Copyright, URL and Encoder name
  • auto tagging: parse filename and directory to automatically complete the fields (using masks)
  • ability to rename files and directories from the tag (using masks) or by loading a text file
  • process selected files of the selected directory
  • ability to browse subdirectories
  • recursion for tagging, removing, renaming, saving, etc.
  • can set a field (artist, title, …) to all other selected files
  • read file header information (bitrate, time, …) and display them
  • auto completion of the date if a partial is entered
  • undo and redo last changes
  • can process fields of tag and file name (convert letters into uppercase, lowercase, ...)
  • ability to open a directory or a file with an external program
  • a tree based browser or a view by Artist & Album
  • a list to select files
  • a playlist generator window
  • a file searching window
  • simple and explicit interface
  • optional Nautilus extension
  • Brazilian Portuguese, Bulgarian, Chinese, Czech, Danish, Dutch, French, German, Greek, Hungarian, Italian, Japanese, Polish, Romanian, Russian, Spanish, Swedish and Ukrainian translation languages
Ebiso
ebiso is simple tool for creating bootable ISO images for UEFI based systems running Linux. It can be however used as standard ISO image creator as well.
Ed Heckert gnu.tiny.png
Ed is a line-oriented text editor: rather than offering an overview of a document, ed performs editing one line at a time. It can be executed both interactively and via shell scripts. Its method of command input allows complex tasks to be performed in an automated way. GNU ed offers several extensions over the standard utility. The original editor for Unix was the most widely available text editor of its time. For most purposes, however, it is superseded by full-screen editors such as GNU Emacs or GNU Moe. N.B. This pacakge also contains a restricted version of ed, red, that can only edit files in the current directory and cannot execute shell commands.
Edlib
Lightweight, super fast C/C++ library for sequence alignment using edit distance.
Edma Heckert gnu.tiny.png
EDMA is a development environment that combines ideas from both object-oriented programming and component-based systems. It is used to build modular, evolving applications as well as reusable components. EDMA provides a convenient means to build object-oriented programs in C without requiring C++. Also, it has a unique component system, unlike other free software component-based systems which imitate the design of proprietary counterparts. It includes a graphical wizard, gidfwizard, a tool for building GNU EDMA Interface definition files and to create skeleton files necessary to build EDMA classes, and a graphical class browser, gecb. Its name stands for Entorno de Desarrollo Modular y Abierto, meaning the Modular and Open Development Environment.
Efl
The Enlightenment Foundation Libraries (EFL) is a set of libraries providing building blocks used in the Enlightenment window manager. This package contains the Doxygen-generated HTML documentation and examples for the API of the EFL.
Ekiga
Ekiga (formely known as GnomeMeeting) is a SoftPhone, Video Conferencing and Instant Messenger application over the Internet. It supports HD sound quality and video up to DVD size and quality. It is interoperable with many other standard compliant software, hardware and service providers as it uses both the major telephony standards (SIP and H.323).
Electrocardiognosis
Electrocardiognosis (a.k.a. Ecgnosis) is a software package designed to assist the physician in formulating diagnoses on 24h ambulatory ECG monitoring (Holter) recordings.
Elm
Elm is an interactive screen-oriented mail reader that needed no documentation for the casual user, but was still powerful enough and sophisticated enough for a mail expert. It is superseeded by mutt, in the view of many people. The package name stands for Electronic Mail. It was one of the most common mail readers of its time.
Emacs Heckert gnu.tiny.png
Extraordinarily powerful text editor with additional features including content sensitive major modes, complete online documentation, highly extensible through Lisp, support for many languages and their scripts through its multilingual extension, and a large number of other extensions available either separately or with the GNU Emacs distribution. Runs on many different operating systems regardless of machine. It offers true Lisp, smoothly integrated into the editor, for writing extensions and provides an interface to the X windows system.
Enscript Heckert gnu.tiny.png
Enscript converts ASCII files to PostScript and stores generated output to a file or sends it directly to the printer. It includes features for "pretty-printing" (language sensitive code highlighting) in several programming languages. It supports ten different input encodings, Adobe Font Metrics files, and user defined fancy headers. AFM files for the most common PostScript fonts are included in the distribution; the program itself can download PostScript fonts. Other features include language sensitive highlighting, N-up printing, inlined EPS images, comments, and the ability to change body color and font on the fly.
Entombed!
A clone of the Atari 2600 game "Entombed" by U.S. Games. You must move through a scrolling, symmetric maze and avoid hitting the top of the screen or touching the zombies that randomly appear. You can grab potions to break (or make) walls. Either one or two people can play. It is particularly good for competitive play.
Epsilon Heckert gnu.tiny.png
'GNU epsilon' is a purely-functional strongly-typed omega-order language, moving towards Lisp in that it allows dynamic management of source code at runtime. It is oriented to ease of development and readability. The static scoping rule and the type checkings at compile-time should make the language "safe". Its features include:
  • static scoping
  • first-class functions
  • Hindley-Milner type system with type inference
  • modules
  • synonym, concrete and abstract types, with polymorphism
  • a scanner generator
  • a purely functional I/O system, inspired by Haskell
  • can generate C code, Scheme code, and bytecode for a virual machine
The package currently includes a compiler, interpreter, runtime system, and garbage collector. Planned or not yet finished: parser generator, classes, an extensive library, optimizer, partial evaluator, pretty-printer, an Emacs mode, parellel implementation for SMPs and clusters, interoperability with other languages via CORBA.
Ethtool
ethtool is the standard Linux utility for controlling network drivers and hardware, particularly for wired Ethernet devices. It can be used to:
  • Get identification and diagnostic information
  • Get extended device statistics
  • Control speed, duplex, autonegotiation and flow control for Ethernet devices
  • Control checksum offload and other hardware offload features
  • Control DMA ring sizes and interrupt moderation
  • Control receive queue selection for multiqueue devices
  • Upgrade firmware in flash memory
FLIF
FLIF is a novel lossless image format which outperforms existing image formats in terms of compression ratio. It works well on any kind of image (photographic, line art, computer graphics, etc.) and also supports animations. FLIF images (or animations) can be progressively decoded, which makes the format potentially very suitable for responsive web design. This is the reference implementation of FLIF, which includes a command-line tool (flif) to convert between FLIF and PNG/PNM/PAM, a decoding library (libflif_dec), an encoding library (libflif_enc), some scripts (gif2flif, apng2flif, raw2flif, ...), and a simple image/animation viewer (viewflif).
Farbfeld Utilities
A simple format for dealing with pictures, which is 16-bits per channel RGBA. These program can convert to/from other format and make various effects with them; some also make up new pictures.
Fbi IMproved
FIM is a lightweight universal image viewer, mostly for Linux (but not only). FIM aims to be a highly customizable and scriptable image viewer for users who are comfortable with software like the VIM text editor or the Mutt mail user agent. It has been developed with Linux in mind, but can be built to run on several Unix systems or even on MS-Windows.
Fdisk Heckert gnu.tiny.png
Fdisk‎ provides libparted-based alternatives to classic partitioning tools like util-linux fdisk and cfdisk. Implementations targeted are also:
  • util-linux sfdisk
  • mac-fdisk
  • FreeBSD fdisk
Fdupes
Fdupes finds duplicate files in a directory or directory tree. It is optionally able to interactively remove duplicates by prompting the user.
Fetchmail
Fetchmail is a full-featured, robust, well-documented remote-mail retrieval and forwarding utility intended to be used over on-demand TCP/IP links (such as SLIP or PPP connections). It supports every remote-mail protocol now in use on the Internet: POP2, POP3, RPOP, APOP, KPOP, all flavors of IMAP, ETRN, and ODMR. It can even support IPv6 and IPSEC. Fetchmail retrieves mail from remote mail servers and forwards it via SMTP, so it can then be read by normal mail user agents such as mutt, elm or BSD Mail. It allows all your system MTA's filtering, forwarding, and aliasing facilities to work just as they would on normal mail. Fetchmail can start automatically and silently as a system daemon at boot time. You can edit its dotfile directly, or use the interactive GUI configurator (fetchmailconf) supplied with the distribution.
Ffmpeg
FFmpeg is a complete solution to record, convert and stream audio and video. Its components include:
  • ffmpeg – Converts one video file format to another and supports grabbing and encoding in real time from a TV card.
  • ffserver – HTTP (RTSP is being developed) multimedia streaming server for live broadcasts that supports time shifting.
  • ffplay – simple media player based on SDL and the ffmpeg libraries
  • ffprobe – a media file prober
  • libavcodec – library containing all FFmpeg audio/video encoders and decoders (most developed from scratch for best performances and high reusability)
  • libavfilter – video and audio filtering library
  • libavformat – library of parsers and generators for all common audio/video formats
  • libavutil – utility library containing functions used by all FFmpeg components
  • libswscale – video scaler and pixel format converter
  • libswresample – audio resampler and sample format converter
  • libpostproc – video post-processing library
Fftw
C subroutine library for computing the Discrete Fourier Transform in one or more dimensions, of both real and complex data, and of arbitrary input size. The FFTW team's benchmarks, performed on a variety of platforms, show that FFTW's performance is typically superior to that of other publicly available FFT software. Moreover, FFTW's performance is portable: the program will perform well on most architectures without modification. However, FFTW appears to be the fastest program most of the time for in-order transforms, especially in the multi-dimensional and real-complex cases.
Filetea
FileTea is a simple way to send files among different users. FileTea functions as a web server. Users can drag files into their web browser and a URL will be generated for each one. Those URLs can be sent to other people, who will be able to start downloading the files immediately. An HTML5 capable browser is required in order to share the files, but any HTTP client can download them, including command-line tools such as curl or wget. Files are sent through the server, but no data is stored there: FileTea is only used to route the traffic. This also means that there's no limit to the size of shared files. The service is anonymous and does not require user registration. Since it's completely web-based, it works in networks with proxies, firewalls, etc., as long as all users can reach the FileTea server. A demonstration server is provided at https://filetea.me
Findutils Heckert gnu.tiny.png
Findutils supplies the basic file directory searching utilities of the GNU system. It consists of two primary searching utilities: find recursively searches for files in a directory according to given criteria and locate lists files in a database that match a query. Two auxiliary tools are included: updatedb updates the file name database and xargs may be used to apply commands with arbitrarily long arguments.
FlacFile
'FlacFile' attaches arbitrary files to FLAC (free lossless audio codec) files using the metadata section of the file. While designed to handle attaching of cover art, lyrics, and tab, it can be used for any file type.
Flashrom
Flashrom is a utility for identifying, reading, writing, verifying and erasing flash chips. It is designed to flash BIOS/EFI/coreboot/firmware/optionROM images on mainboards, network/graphics/storage controller cards, and various other programmer devices.
Flex
Flex (The Fast Lexical Analyzer) is a tool for generating programs that recognize lexical patterns in text. There are many applications for Flex, including writing compilers in conjunction with GNU Bison. Flex is a free implementation of the well known Lex program. It features a Lex compatibility mode, and also provides several new features such as exclusive start conditions.
Flock
Flock is a small utility to manage advisory file locks from shell scripts. Advisory file locks let programs tell other programs that a particular file is in use and shouldn't be used until the lock is released. The flock program is part of the util-linux package.
Fontopia Heckert gnu.tiny.png
Fontopia is an easy-to-use, text-based, console font editor. It's used to edit the fonts that GNU/Linux uses to display text on text-based terminals. Fontopia works on both PSF 1 & 2, BDF, Code Paged (CP) fonts, and Raw font files. It provides a user-friendly, easy-to-use glyph editor and it can easily change font metrics (e.g. length, width, and height) and convert between different font formats.
Fontutils Heckert gnu.tiny.png
The GNU Font Utilities (a.k.a. Fontutils) create fonts for use with Ghostscript or TeX. They also contain general conversion programs and other utilities. Some of the programs in Fontutils include bpltobzr, bzrto, charspace, fontconvert, gsrenderfont, imageto, imgrotate… The main purpose of these programs is to form a tool chain to generate Metafont or PostScript fonts from scanned images.
FooBillard
FooBillard is a OpenGL-billard game with realistic physics. It supports 8-ball, 9-ball, carambol and snooker, and both computer opponent and network play. Visual features include reflections on balls, shadow pixmaps, detail switching of balls according to distance, and adjustments for eccentric hits.
Free Oberon
Free Oberon is a cross-platform IDE for development in Oberon programming language made in the classical FreePascal-like pseudo-graphic style. Compilation of user-written programs is performed using the Vishap Oberon Compiler and then GCC. The compiled console programs can be run in the built-in terminal emulator.
Freeipmi Heckert gnu.tiny.png
FreeIPMI provides in-band and out-of-band IPMI software based on the IPMI v1.5/2.0 specification. The software has been written with a number of useful features for large HPC and cluster environments. Its components include:
  • Libfreeipmi - A C library that includes KCS, SSIF, and OpenIPMI drivers, IPMI 1.5 and IPMI 2.0 LAN communication interfaces, IPMI packet building utilities, IPMI command utilities, and utilities for reading/interpreting/managing IPMI.
  • Bmc-info - A tool to read information about the local BMC such as version information and device support.
  • Bmc-config - A tool to configure usernames, passwords, networking information, security, and other relevant IPMI configuration fields.
  • Bmc-watchdog - A tool/daemon to manage a BMC Watchdog. This tool is typically used for system timeout management and automatic system restarts in the event of a system crash.
  • Ipmi-chassis - A tool to manage/monitor a chassis, such as chassis power, identification, and status.
  • Ipmi-fru - A tool to read field replaceable unit (FRU) information from a motherboard/machine.
  • Ipmi-sel - A tool to read and manage IPMI System Event Log (SEL) records.
  • Ipmi-sensors - A tool to read IPMI sensor readings and sensor data repository (SDR) information.
  • Ipmipower - A tool for remote power control.
  • Ipmiconsole/Libipmiconsole - A tool and library for Serial-over-Lan (SOL) console access.
  • Ipmi-raw - A tool that provides hex input/output of IPMI commands.
  • Ipmi-locate - A tool that can probe for information about the location of a BMC device, such as device addresses.
  • Ipmimonitoring/Libipmimonitoring - A tool and library for used for sensor interpretation/monitoring. The tool is similar to ipmi-sensors, but sensor readings are mapped into Nominal, Warning, and Critical states.
  • Pef-config - A tool to configure IPMI Platform Event Filtering (PEF) configuration.
  • Ipmiping - An IPMI ping tool for debugging.
  • Rmcpping - A RMCP ping tool for debugging.
  • Ipmidetect/Ipmidetectd/libipmidetect - A tool, daemon, and library for IPMI node detection.
Freetalk Heckert gnu.tiny.png
Freetalk is a command-line Jabber/XMPP chat client. It notably uses the Readline library to handle input, so it features convenient navigation of text as well as tab-completion of buddy names, commands and English words. It is also scriptable and extensible via Guile.
Frei0r
Frei0r is a minimalistic plugin API for video effects. The main emphasis is on simplicity for an API that will round up the most common video effects into simple filters, sources and mixers that can be controlled by parameters. It's our hope that this way these simple effects can be shared between many applications, avoiding their reimplementation by different projects.
FriBID
FriBID is a free software for the Swedish e-id system called BankID. FriBID also supports processor architectures and GNU/Linux and BSD distributions that the official software doesn't support.
Fribidi Heckert gnu.tiny.png
FriBidi is a free implementation of the Unicode Bidirectional (BiDi) Algorithm. It also provides utility functions to aid in the development of interactive editors and widgets that implement BiDi functionality. The BiDi algorithm is a prerequisite for supporting right-to-left scripts such as Hebrew, Arabic, Syriac, and Thaana.
GAP
Warning: this entry need a more profound looking into all directories and sub-directories the project is very big it could take some time. GAP is a system for computational discrete algebra, with particular emphasis on Computat ional Group Theory. GAP provides a programming language, a library of thousands of functions implementing algebraic algorithms written in the GAP language as well as large data libraries of algebraic objects. GAP is used in research and teaching for studying groups and their representations, rings, vector spaces, algebras, combinatorial structures, and more. The system, including source, is distributed freely. You can study and easily modify or extend it for your special use.
GEOS
'GEOS' is a C++ implementation of the functions and predicates defined in the OpenGIS "Simple Features for SQL" specification. It includes high quality implementations of all important spatial relationships and operations, robust versions of all functions in the dimensionally extended 9 intersection predicate model, and implementations of the operators Buffer(), Union(), and Intersection() and all other SFSQL functions including Area(), Length(), Centroid(), etc.
GNU Source-highlight Heckert gnu.tiny.png
Source-highlight reads source language specifications dynamically, thus it can be easily extended (without recompiling the sources) for handling new languages. It also reads output format specifications dynamically, and thus it can be easily extended (without recompiling the sources) for handling new output formats. The syntax for these specifications is quite easy (take a look at the manual). Source-highlight is a command line program, and it can also be used as a CGI. Notice that Source-highlight can also be used as a formatter (i.e., without highlighting): you can, for instance, format a txt file in HTML (and it will take care of translating special characters, such as, <, >, &). Since version 2.2, source-highlight can also generate cross references; in order to do this it relies on Exuberant Ctags. These are the output formats already supported:
  • HTML
  • XHTML
  • LATEX
  • TEXINFO
  • ANSI color escape sequences (you can use this feature with less)
  • DocBook
These are the input languages (or input formats) already supported (in alphabetical order):
  • Ada
  • Autoconf files
  • C/C++
  • C#
  • Bib
  • Bison
  • Caml
  • Changelog
  • Css
  • Diff
  • Flex
  • Fortran
  • GLSL
  • Haxe
  • Html
  • ini files
  • Java
  • Javascript
  • KDE desktop files
  • Latex
  • Ldap files
  • Logtalk
  • Log files
  • lsm files (Linux Software Map)
  • Lua
  • Makefile
  • M4
  • ML
  • Pascal
  • Perl
  • PHP
  • Postscript
  • Prolog
  • Properties files
  • Python
  • RPM Spec files
  • Ruby
  • Scala
  • Shell
  • S-Lang
  • Sql
  • Tcl
  • XML
  • XOrg conf files
GPGME
GnuPG Made Easy (GPGME) is a library designed to make access to GnuPG easier for applications. It provides a High-Level Crypto API for encryption, decryption, signing, signature verification and key management. Currently it uses GnuPG as its backend but the API isn't restricted to this engine; in fact, there is already a backend for CMS (S/MIME).
GPeriodic
GPeriodic is a periodic table application for GNU/Linux. It allows you to browse through a periodic table of the elements, and view detailed information on each of the elements. 118 elements are currently listed.
GatO
'gatO' (GTK At Operation) is an interface to the UNIX command 'at.'
Gawk Heckert gnu.tiny.png
Gawk is the GNU implementation of AWK, a programming language that has evolved considerably during the past 30 years. It also adds a large number of features over POSIX awk. This package is well suited for working with text files, when several kinds of tasks occur repeatedly, for extracting certain lines and discard the rest is needed, or for making changes wherever certain patterns appear. It can handle simple data-reformatting jobs with just a few lines of code.
Gball
GBall is a simple yet nice implementation of the well known ball and racket game. It is designed to run under the GNU/Linux console (including terminal emulators). The aim of the game is simple: control your racket and move it around to bounce the ball and hit all the bricks. If the ball hits a wall, it will bounce. If it fell down the screen without bouncing on the racket, you lose. The game includes many levels with an option to play levels randomly. The game also has a high score board.
Gcal Heckert gnu.tiny.png
GNU gcal is a command line program for calculation and display calendars. This is an implementation of the UNIX cal command developed in 1994 by Thomas Esken, then maintained for the GNU project by Giuseppe Scrivano. Gcal, the GNU Gregorian calendar program, displays hybrid and proleptic Julian and Gregorian calendar sheets, respectively, for one month, three months or a whole year. It also displays eternal holiday lists for many countries around the globe and provides very powerful methods to create fixed date lists that can be used for reminding purposes. Gcal can calculate various astronomical data and times of the Sun and the Moon for at pleasure any location; precisely enough for most civil purposes. It further contains a META-TEXT interface that creates input for formatting or displaying systems -- such as LaTeX, or WWW browser programs that visualize HTML. Gcal supports some other calendar systems, for example the Chinese and Japanese calendar, the Hebrew calendar, the civil Islamic calendar, too.
Gcl Heckert gnu.tiny.png
GCL is a Compiler and interpreter for Common Lisp. It compiles to C and then uses the native optimizing C compiler (e.g., GCC), giving great portability. It is highly efficient: a function call is basically the same speed as a C function call, in fact identical to a C function call via a pointer. The program has a source level Lisp debugger (dbl) for interpreted code, letting you step a line at a time, while displaying your position in an Emacs window. It has pioneered conservative Garbage Collection schemes, but also has the stratified garbage collection (SGC) scheme, for only recent allocations, that is based on native page fault handling. There is also a built in interface to Tk widget system. Allows a mixture of tcl and common lisp to be used in a user interface--your choice which you use.
Gcompris Heckert gnu.tiny.png
GCompris is a suite of educational software for children. It features a variety of activities suitable for kids aged 2 to 10 years old. The suite includes activities to introduce and develop skills in computer use, algebra, science, reading and more. It also features some games such as chess and sudoku.
Gdb Heckert gnu.tiny.png
GDB is the GNU project's debugger and a source-level debugger for Ada, C, C++, Objective-C, Pascal and many other languages. Originally released in 1986 as part of the GNU system, it can now target more than a dozen different processor architectures and can itself run on most popular GNU/Linux variants. GDB lets you to see what is going on `inside' another program while it executes--or what another program was doing at the moment it crashed. GDB lets you start your program, specify anything that might affect its behavior, make it stop on specified conditions, examine what has happened when your program has stopped, and change things in it, so you can experiment with correcting the effects of one bug and go on to learn about another. It also brings Guile scripting support since version 7.8.
Gdbm Heckert gnu.tiny.png
GNU dbm is a set of database routines that use extendible hashing and works similar to the standard UNIX dbm routines. The library provides also an optional compatibility layer for UNIX-like dbm and ndbm calls.
Gdictcn
A simple gtk+ chinese dictionary online.
Geany
Geany is a lightweight editor and IDE with basic features of an integrated development environment. It features syntax highlighting in dozens of languages, code completion, call tips, many supported filetypes (including C, Java, PHP, HTML, DocBook, Perl, LateX, and Bash), and symbol lists. It can be extended with the help of plugins, to add features like window splitting.
Gedit
gedit is a text editor for the GNOME Desktop. It is designed to be simple, light, and fast, but its plugin system can give you incredible power as well. Complete GNOME integration is featured.
Gengen Heckert gnu.tiny.png
Gengen (GENerator GENerator) is a tool that, starting from a parameterized text, called template, generates a text generator that can substitute parameters with values. At the moment Gengen can generate C++ or C code, other target languages are under development (e.g., Java).
Gengetopt Heckert gnu.tiny.png
'gengetopt' takes an easy-to-do description of options and generates a C function that uses the GNU getopt_long(3) function to parse and validate the options. gengetopt is perfect if you don't want to write all the stuff required to call GNU getopt_long(3), or if you have a program and wish it took many options. The generated code works if you use autoconf or automake.
Genroms
'genroms' is a utility meant to aid in generating ROM files for arcade machines or emulators. You pass it in a standard Intel Hex File (.IHX) along with a description of the ROM layout in memory (.ROMS), and it will generate the ROM files as specified in the ROM layout file. It is meant for programers who are developing for arcade machines, or for circumstances where the ROM layout may be strange or non-contiguous.
Geocode-glib
Geocode-glib allows you to do geocoding (going from a place name, to a longitude/latitude pair) and reverse geocoding (finding a place name from coordinates) using the Nominatim service. This library should be used in place of Geoclue's D-Bus API for geocoding and reverse geocoding.
Gettext Heckert gnu.tiny.png
Gettext is a package providing a framework for translating the textual output of programs into multiple languages. It provides translators with the means to create message catalogs, as well as an Emacs mode to work with them, and a runtime library to load translated messages from the catalogs. Nearly all GNU packages use Gettext.
Gforth Heckert gnu.tiny.png
Gforth is a fast and portable implementation of the ANS Forth language. It works nicely with Emacs, offers some nice features such as input completion and history and a powerful locals facility, and a manual. Gforth employs traditional implementation techniques: its inner interpreter is indirect or direct threaded. Gforth runs under UNIX, Win95, OS/2, and DOS. It should not be hard to port to other systems supported by gcc.
Ggradebook Heckert gnu.tiny.png
GNU Gradebook is an application for teachers for tracking student grades. It supports several grading styles, including American (A, B, C, D, F) and European numeric scales. The project is looking for a maintainer.
Ghostscript Heckert gnu.tiny.png
Ghostscript is an interpreter for the PostScript language and the PDF file format. It also includes a C library that implements the graphics capabilities of the PostScript language. It supports a wide variety of output file formats and printers.
Gift Heckert gnu.tiny.png
The GNU Image Finding Tool is a Content Based Image Retrieval System (CBIRS). You can do Query By Example on images, giving you the opportunity to improve query results by relevance feedback. The program relies entirely on the content of the images to process queries, so you needn't annotate images before querying the collection. It comes with a tool which lets you index whole directory trees containing images in one go. You then can use the GIFT server and its clients to browse your own image collections.
Gimp Heckert gnu.tiny.png
The GNU Image Manipulation Program is a powerful image editing program, and commonly used for photo retouching, image composition, and general graphic design work. It can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc. GIMP also comes with extensive documentation for both users and programmers, including a manual, tutorials, examples of various features, links to other GIMP-related sites and an extensive list of plug-ins.
GlPortal
GlPortal is a puzzle game inspired by the game Portal. While the gameplay is similar, it aims to be even better than it. It's playable, but it currently is in development.
Glade
Glade is a RAD tool to enable quick and easy development of user interfaces for the GTK+ toolkit and the GNOME desktop environment. The user interfaces designed in Glade are saved as XML and these can be loaded by applications dynamically as needed by using GtkBuilder or used directly to define a new GtkWidget derived object class using Gtk+ new template feature. The Glade XML files can also be used in numerous programming languages.
Gleem Heckert gnu.tiny.png
Gleem (OpenGL Extremely-Easy-to-use Manipulators) is a library for Java and C++ offering a set of 3D widgets that support direct user interaction with a 3D scene. These widgets are used to translate along a line, translate in a plane, and do three-dimensional translation and rotation.
Glib Heckert gnu.tiny.png
GLib is the low-level core library that forms the basis for projects such as GTK+ and GNOME. It provides data structure handling for C, portability wrappers, and interfaces for such runtime functionality as an event loop, threads, dynamic loading, and an object system. GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures.
Global Heckert gnu.tiny.png
GLOBAL is a source code tagging system that functions in the same way across a wide array of environments, such as different text editors, shells and web browsers. The resulting tags are useful for quickly moving around in a large, deeply nested project. GNU GLOBAL has the following features:
  • supports C, C++, Yacc, Java, PHP4 and assembly.
  • works the same way across diverse environments including vi, emacs, less, bash
  • finds locations of specified symbol quickly.
  • locates not only definitions but also references.
  • allows duplicate tags.
  • locates paths which matches to the specified pattern.
  • hierarchical searches by default.
  • searches not only in a source project but also in library projects.
  • generates completion list for completing input method.
  • supports various output formats.
  • allows customizing of a set of candidate files to be tagged.
  • understands POSIX 1003.2 regular expression.
  • supports idutils as an external search engine.
  • tag files are independent of machine architecture.
  • supports incremental updating of tag files.
  • plug-in parser is available to treat new language.
  • supports customizing using ‘gtags.conf’.
  • generates a hypertext of source code.
  • compact format to save disk space.
  • supports client/server environment (TRAMP ready).
  • ignores binary files, dot files and specified files.
  • includes cscope-compatible program (gtags-cscope).
  • includes grep-like command (-g command).
  • supports grep-like symbol highlighting.
Glpk Heckert gnu.tiny.png
GLPK is a C library for solving large-scale linear programming (LP), mixed integer programming (MIP), and other related problems. It supports the GNU MathProg modeling language, a subset of the AMPL language, and features a translator for the language. In addition to the C library, a stand-alone LP/MIP solver is included in the package.
Glpk-java
This package provides Java binding for the GNU Linear Programming Kit (GLPK).
Gmediaserver Heckert gnu.tiny.png
GMediaServer is a UPnP compatible media server that serves audio and video files to certain network connected media players. Most hardware media players only play music or video - they don't provide the media themselves. Those media files have to come from a device on the network. GMediaServer is a server for such UPnP compatible media players.
Gmp Heckert gnu.tiny.png
GMP is a library for arbitrary precision arithmetic, operating on signed integers, rational numbers and floating point numbers. The precision is only limited by the available memory. The library is highly optimized, with a design focus on execution speed. It is aimed at use in, for example, cryptography and computational algebra.
Gnats Heckert gnu.tiny.png
GNU GNATS is an easy to use and flexible bug tracking system. GNATS allows problem report management and communication with users via various means. GNATS stores all the information about problem reports in its databases and provides tools for querying, editing, and maintenance of the databases. Thanks to its architecture, GNATS is not bound to a single user interface – it can be used via command line, e-mail, Emacs, or a network daemon, usually used with a Web interface. And users can add their own additional utilities using standard GNU tools.
Gneuralnetwork Heckert gnu.tiny.png
Gneural Network is the GNU package which implements a programmable neural network. The current version, 0.9.1, has the following features:
  • A scripting language is available which allows users to define their own neural network without having to know anything about coding.
  • Advanced programmers can use the methods/routines inside the code for their own purposes.
  • When defining the neurons of a network, it is possible to choose among various discriminant and activation functions, etc.
  • Different methods to train a neural network are available, such as genetic algorithms, multi-scale Monte Carlo optimizers, simulated annealing, and others.
  • Several training methods can run in parallel on clusters.
  • Neural networks can be saved once trained for later use.
  • The code is truly cross platform since it is entirely developed in C and does not depend on any external library.
The network can now learn tasks defined by the user. An example of script defining a simple network which fits a curve is given. We plan to deliver more advanced features very soon. In particular, we are already spending efforts to implement recurrent networks. We also plan to implement learning reinforcement techniques and apply Gneural Network for deep learning applications. We will release the data along with the trained network.
Gnofin
Gnofin is a light-weight personal finance application for GNOME. It is designed with simplicity and functionality in mind. Features include multilevel undo and redo, cut/copy/paste, QIF and CBB import, and support for mixed local and foreign currency accounts. This package is unmaintained but the source code still available.
Gnome Heckert gnu.tiny.png
GNOME is an easy and elegant desktop environment. It is designed to put you in control and bring freedom to everybody. GNOME is developed by the GNOME community, a diverse, international group of contributors that is supported by an independent, non-profit foundation. The GNOME project has a tradition of high-quality interface design which has been strongly influenced by usability principles and practice. GNOME software is available in a large number of spoken languages, and the project aims to ensure that its software is usable for everyone, including people with disabilities.
Gnome-find
Gnome-find is a graphical front-end of an older version of the GNU find utility (i.e. Findutils 4.1). This package is fairly outdated, and no longer maintained upstream.
Gnome-mplayer
gnome-mplayer is a GTK2/GTK3 interface to MPlayer. It provides the power of MPlayer combined with a friendly interface for your desktop; You can play all your multimedia (audio, video, CD, DVDs, and VCDs, streams etc.), organize, sort and create playlists, take screenshots while playing videos, be notified about media changes. Full DVD and MKV chapter support, when supported by Mplayer. Subtitle support with the ability to specify preferred audio and subtitle languages if the media supports it. Support for cover art retrieval from Amazon.com for audio media files with artist and/or album information contained in the file. Gnome MPlayer has a rich API that is exposed via DBus. Using DBus you can control a single or multiple instances of GNOME MPlayer from a single command. Gnome MPlayer is not dependent on any Gnome libraries. Despite its name, this package is not part of the GNOME project.
Gnome-terminal
GNOME Terminal is a terminal emulator for the GNOME desktop environment.
Gnu-c-manual Heckert gnu.tiny.png
TThis manual is strictly a reference, not a tutorial. Its aim is to cover every linguistic construct in GNU C, but not the library functions (which are documented in https://www.gnu.org/software/libc/manual/).
Gnu-crypto Heckert gnu.tiny.png
GNU Crypto is a versatile, and provably correct implementation of cryptographic primitives and tools for use by both programmers and end-users. The algorithms implemented by GNU Crypto include symmetric key ciphers for protecting data, message digests and message authentication codes for proving the integrity of data, digital signature schemes for proving the authenticity of data, and algorithms for generating unguessable pseudo-random numbers. The API is deliberately designed to be low-level, with access to the bare innards of the cryptographic algorithms involved, so more complex libraries and programs can be built.
Gnu-pw-mgr Heckert gnu.tiny.png
Gnu-pw-mgr is a password manager designed to make it easy to reconstruct difficult passwords when they are needed while limiting the risk of attack. The user of this program inputs a self-defined transformation of a web site URL and obtains the password and user name hint for that web site.
Gnuae Heckert gnu.tiny.png
GnuAE is a GNOME/GTK compliant GUI for designing photovoltaic and wind powered houses with compliance to the National Electrical Code. As GnuAE has a database of components and current average prices, it can help you judge the total cost of a system by experimenting with different options like using a propane or DV fridge, or more or less reserve days or hours of sun. GnuAE is also designed to make it much easier to wire for NEC code compliance without studying all 800 some pages of the NEC specification. Even for an electrician, the interdependencies between calculations is daunting. While DC wiring is much simpler than AC wiring, most off-grid household systems are both. There is even a built in NEC calculator for people that have a good feel for what they are doing, but want to also experiment with differing conduit sizes, parallel wire runs, and voltage drop.
Gnuastro Heckert gnu.tiny.png
The GNU Astronomy Utilities (Gnuastro) is an official GNU package consisting of separate programs and library functions (in C and C++) for the manipulation and analysis of astronomical data. All the various utilities share the same basic command line user interface for the comfort of both the users and developers. GNU Astronomy Utilities is written to comply fully with the GNU coding standards so it integrates finely with the GNU/Linux operating system. This also enables astronomers to expect a fully familiar experience in the source code, building, installing and command line user interaction that they have seen in all the other GNU software that they use.
Gnubatch Heckert gnu.tiny.png
GNUbatch is a job scheduler. It executes jobs at specified dates and times, according to dependencies, or interlocks defined by the user. It provides Batch scheduling with "job control variables" which may be atomically tested and set to provide arbitrarily complicated job chaining and interlocking. Interfaces are provided for shell, "curses", GTK, API for C and C++ (has been adapted for Java), web browser, and Motif.
Gnubg Heckert gnu.tiny.png
GNUBG is a strong backgammon program (world-class with a bearoff database installed) usable either as an engine by other programs or as a standalone backgammon game. In addition to supporting simple play, it also has extensive analysis features, a tutor mode, adjustable difficulty, and support for exporting annotated games. It can be played either from a GTK+ graphical interface, optionally with a 3D board, or from a simple text console. It was at first extensible on platforms that support Guile.
Gnubik Heckert gnu.tiny.png
GNUbik is an interactive, graphical, single player game. It renders an image of a Rubik cube and allows you to manipulate it and hopefully solve it. GNUbik supports cubes of any size; 3x3x3 is the default. It also has a guile interface by which you can create your own scripts to solve the cube.
Gnucash Heckert gnu.tiny.png
GnuCash is personal and professional financial-accounting software. It can be used to track bank accounts, stocks, income and expenses, based on the double-entry accounting practice. It includes support for QIF/OFX/HBCI import and transaction matching. It also automates several tasks, such as financial calculations or scheduled transactions.
Gnucobol Heckert gnu.tiny.png
GnuCOBOL is a free, modern COBOL compiler. It implements a substantial portion of the COBOL 85, COBOL 2002, COBOL 2014 and X/Open COBOL standards, as well as many extensions included in other COBOL compilers (IBM COBOL, MicroFocus COBOL, ACUCOBOL-GT and others) GnuCOBOL translates COBOL into C and compiles the translated code using a native C compiler.
Gnucomm Heckert gnu.tiny.png
The GNUCOMM project, currently in its preliminary stages, aims to provide the standards-based free software necessary to enable the switching and transception of multimedia streams for use in telecommunications applications such as voicemail and video conferencing. The goal is not just to replace proprietary telecommunications servers and clients, but to provide better solutions to common telecommunications problems. The first goal, with version 0.1, is to establish a functional communications system. A voice respose system has already been completed; the next projects are a fax server, VOIP client, SMS server, small business scripts, and packging and documentation. Version 1.0, a functional spec for a new architecture, was completed in June 2000.
Gnudos Heckert gnu.tiny.png
GnuDOS is a set of programs designed to help new users of the GNU system in growing accustomed to the system, particularly users who might be coming from a DOS background. It consists of a file manager, a text editor and a form designer for the console as well as a core library for building similar utilities:
  • The core library (corelib) contains four utilities: Kbd (for keyboard handling), Screen (for screen drawing), Dialogs (for dialog boxes/window drawing), and Strings (for strings functions).
  • The software applications are three: Prime (console file manager), Mino (console text editor), and Fog (console form designer).
Gnugo Heckert gnu.tiny.png
Recently GNU Go has been developed into a more sophisticated program playing at around the 16 kyu level on the NNGS Go server. The program builds cleanly on many platforms. An ASCII interface and an Emacs mode are also supported. This summer, for the first time, it participated in international tournament play. In the 21st Century Cup held at the US Go Congress, GNU Go placed 8th in a field of 12. This may not sound impressive but actually we were satisfied with its performance. GNU Go won 3 out of 6 games and two of the games it lost were close. Moreover it scored an upset win over former Ing Champion program Wulu. In the European Championship GNU Go placed second, winning 5 out of six rounds, and losing only to the undefeated GoAhead.
Gnuit Heckert gnu.tiny.png
A set of interactive tools that includes an extensible file system browser, an ASCII/hex file viewer, a process viewer/killer, and other related utilities and shell scripts. It increases the speed and ease of daily tasks like moving files and directories, invoking editors, compressing and uncompressing files, creating and expanding archives, compiling programs, sending mail, etc. It has colors if the standard ANSI color sequences are supported, and is user-friendly.
Gnujump Heckert gnu.tiny.png
GNUjump is a simple game where your goal is to keep jumping to upper falling platforms in order to avoid touching the lower part of the screen. Despite being written from scratch, it is inspired by Xjump and tries to emulate its game logic accurately, as well as adding new features that Xjump lacked:
  • Multiplayer mode (up to four players, not networked)
  • Smooth graphics possible (but xjump style as well)
  • Different themes are available
  • Can use OpenGL for rendering
  • Replays
  • Sounds
The game was previously known as SDLjump.
Gnukart Heckert gnu.tiny.png
GNUKart is a clone of old racing games in rear-view. The purpose of this project is to propose a quick multiplayer game, with code designed to be as portable as possible. It does not need a 3D card.
Gnulib Heckert gnu.tiny.png
Gnulib is intended to be the canonical source for most of the important "portability" and/or common files for GNU projects. These are files intended to be shared at the source level; Gnulib is not a library meant to be installed and linked against. Unlike most projects, Gnulib does not normally generate a source tarball distribution; instead, developers should just grab modules directly from the repository. While portability across operating systems is not one of GNU's primary goals, it has helped introduce many people to the GNU system, and is worthwhile when it can be achieved at a low cost. This collection helps lower that cost.
Gnumach Heckert gnu.tiny.png
GNU Mach is the microkernel of the GNU system. A microkernel provides only a limited functionality, just enough abstraction on top of the hardware to run the rest of the operating system in user space. The GNU Hurd servers and the GNU C library implement the POSIX compatible base of the GNU system on top of the microkernel architecture provided by Mach. Currently, GNU Mach runs on IA32 machines. GNU Mach should, and probably will, be ported to other hardware architectures in the future. Mach was ported to many operating systems in the past.
Gnumeric Heckert gnu.tiny.png
GNUmeric is a GNU spreadsheet application, running under GNOME. It is interoperable with other spreadsheet applications. It has a vast array of features beyond typical spreadsheet functionality, such as support for linear and non-linear solvers, statistical analysis, and telecommunication engineering.
Gnunet Heckert gnu.tiny.png
GNUnet is a framework for secure peer-to-peer networking that does not use any centralized or otherwise trusted services. Its high-level goal is to provide a strong free software foundation for a global network that provides security and privacy. GNUnet started with an idea for anonymous censorship-resistant file-sharing, but has grown to incorporate other applications as well as many generic building blocks for secure networking applications. In particular, GNUnet now includes the GNU Name System, a privacy-preserving, decentralized public key infrastructure.
Gnupg Heckert gnu.tiny.png
GnuPG is a complete implementation of the OpenPGP standard. It is used to encrypt and sign data and communication. It features powerful key management and the ability to access public key servers. This package, also known as GPG, is a command line tool with features for easy integration with other applications. A wealth of frontend applications and libraries are available.
Gnuplot
Gnuplot is a portable command-line driven graphing utility. It was originally created to allow scientists and students to visualize mathematical functions and data interactively, but has grown to support many non-interactive uses such as web scripting. It is also used as a plotting engine by third-party applications like GNU Octave. Gnuplot has been supported and under active development since 1986.
Gnuradio Heckert gnu.tiny.png
GNU Radio is a software development toolkit that provides signal processing blocks to implement software radios. It can be used with readily-available low-cost external RF hardware to create software-defined radios, or without hardware in a simulation-like environment. It is widely used in research, industry, academia, government, and hobbyist environments to support both wireless communications research and real-world radio systems.
Gnurobots Heckert gnu.tiny.png
You construct a program for a robot, then watch him explore a world. The world has people who can hurt you, objects you can bump into, and food you can eat. The goal of the game is to collect as many prizes as possible before you are killed run out of energy. The robot program is written in a text file, which doesn't limit programmers to a visual interface. However, such an interface (which will generate Scheme code) is also available for use by non-programmers.
Gnushogi Heckert gnu.tiny.png
Game that is a Japanese version of chess. The rules of the game are included in the distribution in the file 'shogi.rules.' It can play against a user or against itself, using either an alpha-numeric display or the xshogi program under the X Window System. https://screenshots.debian.net/screenshots/000/001/009/large.png
Gnusound Heckert gnu.tiny.png
GNUsound is a multitrack sound editor for GNOME 1 and 2. It can read and write many audio file formats such as WAV, MP3 and FLAC. It can work with the OSS, ALSA or JACK audio backends. It provides many different built-in audio processing modules, such as fades in/out, delay, and filters. GLADSPA plugins may also be used for further processing.
Gnuspool Heckert gnu.tiny.png
GNUspool is a spooling system which can support any type of printer and printer interface and also provides a variety of easy-to-use interfaces including graphical real-time-updated interfaces allowing full control over the function of the spooler. Jobs and printers on other hosts running GNUspool are automatically shared across the network and can be manually or automatically routed to other available printers. There are abundant facilities for support of form types and programmatic handling of printer features. There are also a set of security features to control user access as required.
Gnutls Heckert gnu.tiny.png
GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface (API) to access the secure communications protocols as well as APIs to parse and write X.509, PKCS #12, and other required structures. The project strives to provide a secure communications back-end, simple to use and integrated with the rest of the base Linux libraries. A back-end designed to work and be secure out of the box, keeping the TLS and PKI complexity outside the applications.
Gosnake
GoSnake is a simple yet nice implementation of the well known snake game. It is designed to run under the GNU/Linux console (including terminal emulators). The aim of the game is simple: control your snake and move it around to eat food without hitting walls, or colliding with itself. The game includes 10 levels with an option to play levels randomly, and a high score board.
Gpaint Heckert gnu.tiny.png
Gpaint is a small, easy-to-use paint program for GNOME. It features drawing tools (ovals, freehand, polygon, and text, with fill or shallow for polygons and closed freehand), the ability to cut and paste by selecting irregular regions or polygons, print support using gnome-print, a modern, easy-to-use user interface with tool and color palettes, the ability to edit multiple images at the same time with running multiple sessions of gpaint, and all the image processing features present in xpaint.
Gprolog Heckert gnu.tiny.png
Gprolog is a Prolog compiler with constraint solving over finite domains. It accepts a Prolog+ constraint program and produces a native binary. The obtained executable is now stand-alone. This executable can be quite small since GNU Prolog doesn't need to link the code of most unused built-in predicates. Besides the native code compilation, GNU Prolog offers a classical interactive interpreter (top-level). It also conforms to the ISO standard for Prolog. The program also includes an efficient constraint solver over Finite Domains (FD). This opens constraint logic programming to the user, combining its power with the declarativity of logic programming.
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Greg is a software testing framework in which test cases can be written in Guile. Its simplicity makes it easy to write tests for any program, but it was specifically written for use with GNUstep-Guile to permit direct testing of the GNUstep libraries without the necessity to run a separate driver program. The core functionality of Greg is a Guile module which can be loaded into any software with an embedded Guile interpreter. Any program which uses Guile as it's scripting language can therefore use Greg to test itself directly. But testing external programs is also possible with the standard Guile `expect' module. Greg provides most of the functionality of DejaGnu but is rather simpler.
Grep Heckert gnu.tiny.png
Grep is a tool for finding text inside files. Text is found by matching a pattern provided by the user in one or many files. The pattern may be provided as a basic or extended regular expression, or as fixed strings. By default, the matching text is simply printed to the screen, however the output can be greatly customized to include, for example, line numbers. GNU grep offers many extensions over the standard utility, including, for example, recursive directory searching.
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gretl, an acronym for Gnu Regression Econometrics and Time-series Library, is a package for performing statistical computations for econometrics. It consists of both a command-line client and a graphical client. It features a variety of estimators such as least-squares and maximum likelihood; several time series methods such as ARIMA and GARCH; limited dependent variables such as logit, probit and tobit; and a powerful scripting language. It can output models as LaTeX files. It also may be linked to GNU R and GNU Octave for further data analysis.
Grub Heckert gnu.tiny.png
GRUB is a multiboot bootloader. It is used for initially loading the kernel of an operating system and then transferring control to it. The kernel then goes on to load the rest of the operating system. As a multiboot bootloader, GRUB handles the presence of multiple operating systems installed on the same computer; upon booting the computer, the user is presented with a menu to select one of the installed operating systems.
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GNU SASL an implementation of the Simple Authentication and Security Layer (SASL) framework, consisting of a library with several plugins, command-line application, test-suite, documentation and source code usage examples. GNU SASL consists of a library (`libgsasl'), a command line utility (`gsasl') to access the library from the shell, and a manual. The library includes support for the framework (with authentication functions and application data privacy and integrity functions) and at least partial support for the CRAM-MD5, EXTERNAL, GSSAPI, ANONYMOUS, PLAIN, SECURID, DIGEST-MD5, SCRAM-SHA-1, SCRAM-SHA-1-PLUS, LOGIN, and NTLM mechanisms.
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GSEGrafix is an application which produces high-quality graphical plots for science and engineering. Plots are specified via simple ASCII parameter files and data files and are presented in an anti-aliased GNOME canvas. The program supports rectangular two-dimensional plots, histograms, polar-axis plots and three-dimensional plots. Plots can be printed or saved to BMP, JPEG or PNG image formats. GSEGrafix can also be run both from a command prompt and from Octave.
Gsl Heckert gnu.tiny.png
The GNU Scientific Library is a library for numerical analysis in C and C++. It includes a wide range of mathematical routines, with over 1000 functions in total. Subject areas covered by the library include: differential equations, linear algebra, Fast Fourier Transforms and random numbers.
Gss Heckert gnu.tiny.png
GSS is an implementation of the Generic Security Service Application Program Interface (GSS-API or Libgss). GSS-API is used by network servers to provide security services, e.g., to authenticate SMTP/IMAP clients against SMTP/IMAP servers. GSS consists of a library and a manual. This package is also known as Libgss.
Gstreamer
GStreamer is a library for constructing graphs of media-handling components. The applications it supports range from simple Ogg/Vorbis playback, audio/video streaming to complex audio mixing and video non-linear editing. Applications can take advantage of advances in codec and filter technology transparently. Developers can add new codecs and filters by writing a simple plugin with a clean, generic interface. This package provides the core library and elements.
Gtick Heckert gnu.tiny.png
GTick is an acoustical and graphical metronome application used to support musicians at practicing an instrument. It features a scale from 30 to 250 beats per minute and 2/4, 3/4, 4/4 and other meters. It provides a GTK+-based user interface and it can use both OSS and ALSA as the audio back-end.
Gtk+ Heckert gnu.tiny.png
GTK+ is a GUI Toolkit for creating graphical user interfaces. This package provides a complete set of widgets suitable for projects ranging from small one-off tools to complete application suites. In addition to basic widgets, such as buttons, check boxes, and text entries, it also provides Model-View-Controller (MVC) APIs for tree views, multi-line text fields, and menu and toolbar actions. GTK+ is the primary library used to construct user interfaces in GNOME. Its name stands for "GIMP Tool Kit", as originally it was explicitly written for that image manipulation program, and later extracted from it as a stand-alone library. Third-party language bindings designed for the GNU system are provided by the Guile-Gnome project.
Gtypist Heckert gnu.tiny.png
Typist is a typing tutor package built using Curses. The package has tutorials, drills, and practice sessions to learn touch typing. The emphasis is on the US computer keyboard layout, but lessons for Dvorak and other keyboard types and languages are also included. The program also has Native Language Support and is distributed with messages in many different languages.
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Guile is the GNU Ubiquitous Intelligent Language for Extensions, the official extension language of the GNU system. It is an implementation of the Scheme programming language, packaged as a library that can be linked into applications to give them their own extension language. Guile supports other languages as well, giving users of Guile-based applications a choice of languages.
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Guile-CV - Image Processing and Analysis in Guile - is a Computer Vision functional programming library for the Guile Scheme language
Guile-CV is based on Vigra (Vision with Generic Algorithms), enriched with pure Guile Scheme algorithms, all accessible through a nice, clean and easy to use high level API.
Guile-CV is natively multi-threaded, and takes advantage of multiple cores, using high-level and fine grained application-level parallelism constructs available in Guile, based on its support to POSIX threads.
Guile-dbi Heckert gnu.tiny.png
'guile'-dbi is a generic database interface for Guile that provides a way to use database drivers that are linked at run-time.
Guile-gnome Heckert gnu.tiny.png
Guile-Gnome is a Guile wrapper collection for some of the GNOME core libraries. This package tries to build the following wrappers: Gobject, Glib, Atk, Pango, Pangocairo, Gdk, Gdk-Pixbuf, Gtk, Libglade, Libgnome, Libgnomeui, Libgnomecanvas. Guile-Gnome makes GNOME accesible from Guile, so it provides a convenient interface for Scheme programmers to develop visual applications.
Guile-ncurses Heckert gnu.tiny.png
Guile-Ncurses is a library for the Guile Scheme interpreter that provides functions for creating text user interfaces. The text user interface functionality is built on the ncurses libraries: curses, form, panel, and menu.
Guile-sdl Heckert gnu.tiny.png
GNU Guile-SDL is a set of bindings to the Simple DirectMedia Layer (SDL). With them, Guile programmers can have easy access to graphics, sound and device input (keyboards, joysticks, mice, etc.). Most of the SDL functions are wrapped, with the exception of a few functions that are too C-centric. The SDL threads and audio functions are not included. However audio programming can be done with the module SDL_mixer… Also included is SDL_gfx 2.0.22 and bindings for it. NB. the guile-sdl2 project has been launched to create pure Scheme bindings for SDL2.
Gurgle Heckert gnu.tiny.png
GURGLE (GNU Report Generator Language) is a software package for business applications. It produces database report listings from record and field information from a file. It uses the report to produce (La)TeX-formatted output, plain ASCII text, troff, PostScript, HTML, XML, or any other ASCII-based output format. It may be used for producing large bodies of text where small parts of the text are substituted with information from the database. GURGLE supports GNUSQL, PostgreSQL, MySQL and CA-Ingres databases. It also has an optional support for Guile.
Gv Heckert gnu.tiny.png
GV (GNU Ghostview) is a graphical user interface to the Ghostscript interpreter. With it, one can view and navigate through PostScript and PDF documents in X Windows. This package is an improved derivation of Timothy O. Theisen's Ghostview, originally developed by Johannes Plass.
Gvpe Heckert gnu.tiny.png
gvpe is a suite designed to provide a virtual private network for multiple nodes over an untrusted network. It works by creating encrypted host-to-host tunnels between multiple endpoints. GVPE (GNU VPE) is an acronym standing for GNU Virtual Private Ethernet.
Gxmessage Heckert gnu.tiny.png
Gxmessage opens a pop-up window to display a message obtained from the command-line, from a file, or from stdin. The window can include a row of user-defined buttons, each of which causes the program to exit with a different return code.
Gzip Heckert gnu.tiny.png
A compression utility designed to replace 'compress'. Much better compression and freedom from patented algorithms are its main advantages over compress. Gzip decompresses files created by gzip, compress, or pack; it detects the input format automatically.
Gzochi
gzochi (/zoʊ-ʧi:/) is a framework for developing massively multiplayer online games. A server container provides services to deployed games, which are written in Guile Scheme, that abstract and simplify some of the most challenging and error-prone aspects of online game development: Concurrency, data persistence, and network communications. A very thin client library can be embedded to provide connectivity for client applications written in any language.
Halifax Heckert gnu.tiny.png
The HaliFAX project aims at implementing a complete fax environment for the GNU system. It currently supports sending and viewing faxes, including a wrapper around the lpr command.
Halloc
Hierarchical alloc (halloc) is an extension to a standard malloc/free interface that simplifies memory disposal tasks when allocated structures exhibit hierarchical properties. It can be used for various tasks including memory pooling, limited garbage collection, and simplified dynamic structure management.
HandBrake
HandBrake is a graphical video converter. Features:
  • Title / Chapter selection
  • Queue up multiple encodes
  • Chapter Markers
  • Subtitles (VobSub, Closed Captions CEA-608, SSA, SRT)
  • Constant Quality or Average Bitrate Video Encoding
  • Support for VFR, CFR and VFR
  • Video Filters: Deinterlacing, Decomb, Detelecine, Deblock, Grayscale, Cropping and scaling
  • Live Video Preview
Hashit
Hashit is a library of generic hash tables that supports different collision handling methods with one common interface. Both data and keys can be of any data type. It is small and easy to use.
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The GNU Hello package serves as an example of GNU package distribution and code. It also prints a nice greeting in a variety of languages. The "Hello, world!" program is the classic beginner's programming task. The GNU version takes this a step further by processing its argument list to modify its behavior, by supporting internationalization, and by including a mail reader; it's a true demonstration of how to write programs that do these things.
HexChat
HexChat is an IRC client based on XChat 2, featuring:
  • Easy to use and customizable interface
  • Cross-platform on Windows, OS X, and Unix-like OSes
  • Highly scriptable with Python and Perl
  • Translated in multiple languages
  • Multi-network with auto-connect, join, and identify
  • Spellcheck, proxies, SASL, DCC support and more
Hiawatha
Hiawatha is a secure and easy-to-use web server.
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Hp2xx first converts all HP-GL data into pure vectors and buffers them internally. It then converts these vectors into a specified output format (vector modes), or rasterizes them (raster modes) on an internal bitmap. In raster modes, the program then translates the bitmap into the output format. The supported output formats include Encapsulated PostScript, PCX, IMG, TIFF, PNG, and several formats intended to facilitate the generation of graphics within TeX documents. Output is also printable on PCL-capable devices (eg the Hewlett-packard LaserJet series), and it may be used as a HP-GL previewer on many platforms, eg X11 and DOS (VGA).
Htpdate
The HTTP Time Protocol (HTP) is used to synchronize a computer's time with web servers as reference time source. This program can be used instead ntpdate or similar, in networks that has a firewall blocking the NTP port. Htpdate will synchronize the computer time to Greenwich Mean Time (GMT), using the timestamps from HTTP headers found in web servers response (the HEAD method will be used to get the information). Htpdate works through proxy servers. Accuracy of htpdate will be usually within 0.5 seconds (better with multiple servers).
Httptunnel Heckert gnu.tiny.png
Creates a bidirectional virtual data path tunnelled in HTTP requests. These requests can also be sent by an HTTP proxy, which is useful for users behind firewalls. If Web access is allowed through a proxy, it's possible to use httptunnel and telnet or PPP to connect to a computer outside the firewall.
Hurd Heckert gnu.tiny.png
The Hurd is the kernel for the GNU system, a replacement and augmentation of standard Unix kernels. It is a collection of protocols for system interaction (file systems, networks, authentication), and servers implementing them. Subprojects include Mach, the microkernel on which the Hurd is based, which provides a basic inter-process communication mechanism, and MIG, an interface generator for Mach.
IUP
IUP is a multi-platform toolkit for building graphical user interfaces (GUIs). It offers a simple API in three basic languages: C, Lua and LED. IUP's purpose is to allow a program source code to be compiled in different systems without any modification. Its main advantages are: high performance, due to the fact that it uses native interface elements; and fast learning by the user, due to the simplicity of its API. More details at: http://webserver2.tecgraf.puc-rio.br/iup/en/prod.html
IceCat Heckert gnu.tiny.png
''GNU IceCat discontinued official IceCatMobile support after version 38.6.0. Unofficial IceCatMobile releases can be downloaded with the F-Droid client. GNU IceCat (originally GNU IceWeasel) is part of GNUzilla (the GNU version of the Mozilla Application Suite). GNU IceCat aim to be based on the the current official release of Firefox Extended Support Release (ESR) with removal of trademarked artwork and proprietary components. However, IceCat is not a straight fork of Firefox ESR; instead, it is a parallel effort that works closely with and re-bases in synchronization on the latest Firefox ESR as the upstream supplier, with patches merged upstream whenever possible; although it should be noted that additional security updates are customized to IceCat occasionally.

Differences between IceCat and Firefox ESR

Important differences between Mozilla's Firefox and GNU IceCat is that IceCat has a focus on freedom and privacy (see settings.js for details).

  • Encrypted Media Extensions (EME) is not implemented: Whereas Firefox are being created such that they support Digital Restrictions Management (DRM) systems through their implementation of the Encrypted Media Extension (EME), GNU IceCat doesn't include an EME implementation as it opposes efforts to popularize and ease the dissemination of DRM technology.
    • Widevine Content Decryption Module provided by Google Inc. is not installed in about:addons > Plugins
    • The Play DRM-controlled content option (used to download and enable Widevine Content Decryption Module provided by Google Inc.) has been removed from about:preferences > Content
  • WebRTC is enabled like in Firefox but prevent leaking the LAN ip. (Test WebRTC)
  • The proprietary program Mibbit has been removed.
  • Telemetry is disabled.
  • DuckDuckGo is the default search engine, which means that you can run "!Bangs" keywords in the location bar to use any search engine.

Philosophy

"We will always make IceCat block non-free JavaScript by default. If you want to permit nonfree software to run, you can easily disable LibreJS." - Richard Stallman

Customized add-ons

  • SpyBlock (Adblock Plus fork) to block privacy trackers.

History

GNU IceCat was formerly known as GNU IceWeasel but changed its name in 2008 to avoid confusion with Debian IceWeasel (who was rebranded back to Firefox in 2017 after Debian was being granted special permission from Mozilla ref).

The GNU IceCat developers dropped support for Replicant after version 31.8.0 because these builds are already provided by F-Droid.

GNU IceCat developers dropped support for macOS, and Windows, after version 38.8.0 in 2016: "Note that building binary packages for Windows and macOS currently requires non-free software, so we no longer distribute binary releases for those platforms.

See also



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