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8sync Heckert gnu.tiny.png
8sync (pronounced eight-sync) is an asynchronous programming library for GNU Guile. It makes use of delimited continuations to avoid a mess of callbacks, resulting in clean, easy-to-read, non-blocking code.
ADG: Automatic Drawing Generation
The ADG library (Automatic Drawing Generation) is a set of functions focused on automating the drawing of mechanical parts. It is not a CAD system but a library providing a non-interactive canvas where you can put common CAD entities such as paths, xatches and quotes, to create your technical drawings. The final result can be displayed inside a GTK+ widget or exported to any cairo available format, such as PostScript and PDF documents or PNG and SVG images.
ADL
Database load balancing class for PHP applications who need to deal with various MySQL servers. The class will properly detect write queries and will try the next available server(s) until running out of connections. Multi server connection handling in progress in order to allow running transactions in many servers at the same time.
ADOdb
ADOdb is a database abstraction library for PHP. The PHP version currently supports an amazing number of databases, thanks to the wonderful ADOdb community: MySQL, PostgreSQL, Interbase, Firebird, Informix, Oracle, MS SQL, Foxpro, Access, ADO, Sybase, FrontBase, DB2, SAP DB, SQLite, Netezza, LDAP, and generic ODBC, ODBTP. The Sybase, Informix, FrontBase and PostgreSQL, Netezza, LDAP, ODBTP drivers are community contributions. Some reasons why ADOdb is popular include:
  • Designed for speed. It is probably the fastest free software database abstraction library available for PHP. See benchmarks.
  • Provides extensive portability support such as date and type-handling and portable schema creation. See portable sql tips
  • Support many enterprise features such as database backed sessions (with session expiry notification), SQL code generation, pivot tables, SELECT LIMIT emulation for all databases, performance monitoring.
  • Easy to learn.
  • Extensive QA, every release is unit-tested on Access, MySQL, PostgreSQL, MS SQL, Oracle 9.
  • Mature, continuously developed since August 2000. Has a large community of users.
  • Powerful Active Record support. See docs.
  • Very reasonable licensing terms (BSD). This means that you can incorporate (and even compile) it into your software applications royalty-free without asking the author's permission, provided you include license.txt in your release.
ADOdb Lite
A small, fast replacement for ADODB that uses 1/6th of the memory and upto 300% faster while being compatible with ADODB using a subset of the most often used ADODB commands.. Supports Frontbase, MaxDB, MiniSql, MSSQL, MySql, Postgres, SqLite and Sybase.
ADOdb for Python
ADOdb is a database abstraction library. ADOdb was originally developed for PHP, and ported to Python. The Python version implements a subset of the PHP version. You might ask why Python needs a database abstraction library when Python provides the official DB API. Unfortunately the DB API does not encapsulate differences in the database implementations. For example, to select a limited number of rows, say 10 rows, you would have to use very different SQL for different databases:
  • MS SQL select top 10 from table
  • MySQL and PostgreSQL select * from table limit 10
  • Oracle select * from (select * from table) where rownum <= 10
  • These differences are handled by ADOdb (using SelectLimit), but not by the Python DB API. Other important database differences transparently handled by ADOdb include date-formating, associative arrays (records as dictionaries) and LOB-handling.
AKFAvatar
AKFAvatar is a fancy graphical user interface for applications, where an avatar appears on the screen and tells things to the user via a speech bubble. There can also be recorded audio files, so that the user even can hear what it is saying. It can be used for infotainment systems. With AKFAvatar you can easily write cross platform applications in Lua. Lua scripts don't even need to be compiled for the target platform. It has an interface for C programs. Furthermore there is a binding for Free Pascal.
ALSA OSS
The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the GNU/Linux operating system. ALSA has the following significant features:
  • Efficient support for all types of audio interfaces, from consumer sound cards to professional multichannel audio interfaces.
  • Fully modularized sound drivers.
  • SMP and thread-safe design.
  • User space library (alsa-lib) to simplify application programming and provide higher level functionality.
  • Support for the older Open Sound System (OSS) API, providing binary compatibility for most OSS programs.
ALSA library
The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the GNU/Linux operating system. ALSA has the following significant features:
  • Efficient support for all types of audio interfaces, from consumer sound cards to professional multichannel audio interfaces.
  • Fully modularized sound drivers.
  • SMP and thread-safe design.
  • User space library (alsa-lib) to simplify application programming and provide higher level functionality.
  • Support for the older Open Sound System (OSS) API, providing binary compatibility for most OSS programs.
APE Tag Libraries
C, Clojure, Erlang, Lua, Python, Ruby Libraries for reading/writing APEv2 tags.
ASCEND
ASCEND IV is an object-oriented mathematical modeling environment, with similar functionality to programs such as GAMS, AMPL, Aspen, or Dymola. If can be used to solve difficult non-linear systems of equations and to plot dynamic behaviour of such systems. Although ASCEND has primarily been developed by Chemical Engineers, great care has been exercised to assure that it is domain independent. ASCEND can support modeling activities in fields from Architecture to (computational) Zoology.
ATK
'Accessibility' means enabling people with disabilities to participate in substantial life activities that include work and the use of services, products, and information. GNOME Accessibility is the suite of software services and support in GNOME that provides accessibility interfaces to other applications and toolkits.
ATLAS
ATLAS (Automatically Tuned Linear Algebra Software) is a system for generating high-performance mathematical libraries. It generates a library that is specifically tuned to your processor and compiler. ATLAS's purpose is to provide portably optimal linear algebra software. In particular, ATLAS provides ANSI C and Fortran 77 interfaces to the BLAS, and a subset of LAPACK.
ATM SAR Library (SARLib)
SARLib can be used as an AAL5 ATM Segmentation and Reassembly engine.
AVbin
AVbin is a thin wrapper around FFmpeg, providing binary compatibility for applications and languages that need it. FFmpeg is a collection of audio and video codecs widely used in projects such as mplayer, xine, gstreamer and VLC. It is under continuous development; so much so that its developers rarely provide a release, and SVN snapshots of the library must be statically linked to avoid version incompatibilities. AVbin allows programs that require dynamic linkage to use FFmpeg. It does this by providing:
  • an accurate version number within the shared library, allowing applications to select the appropriate data structures and functions to use at runtime, and
  • a simplified interface with an unchanging ABI to the most common decoding functionality within FFmpeg.
  • AVbin is distributed as a single dynamic library (.so on GNU/Linux, .dylib on Mac OS X, and .dll on Windows) that depends on no other files or installations. This eliminates the many complexities of building FFmpeg on platforms other than GNU/Linux; however you can still build it from source if you prefer.
Aalib
'Aalib' is a low level gfx library that works on any kind of terminal. It does not require graphics devices (in fact, no graphical output is possible), and is particularly useful for those with older hardware who do not want to worry about overloading their systems with graphical applications.
Aapl
This is a candidate for deletion: 1. Cannot download files: Reference:
http://web.archive.org/web/20060226235310/http://www.elude.ca/aapl/
http://web.archive.org/web/*/http://www.elude.ca/aapl/*
http://web.archive.org/web/20060925174123/http://www.cs.queensu.ca/home/thurston/
http://www.colm.net/
https://tracker.debian.org/pkg/ragel
ragel -> aapl part of text: This directory contains the Aapl source distribution. For the documentation, build scripts, test programs, ChangeLog, etc. get the aapldev package.
Adrian Thurston <thurston@colm.net>
Aapl is a C++ template library for generic programming. It contains Linked List, Avl Tree, Vector, Binary Search Table, Double Ended Queue, and Merge Sort. The library is designed to be versatile for the programmer. For example, the linked list utilizes both inheritance and templates to allow a single instance of a data structure to be an element in multiple lists. In general, Aapl data structures do not have private data members and are thus not abstracted away.
Abclock
'abclock' gives a spatial representation of time. It isn't tied to the design of a mechanical clock, but instead uses the natural properties of bitmaps: straight lines and rectangles. The clock uses ordinary hours and minutes. Placement and movement of objects is analogous to mechanical clocks. Time has a symmetrical property that is reflected in the way time changes in this clock. It is clear and exact up to parts of minutes, even when the bitmap is very small.
Achievo ATK
Achievo ATK is an object oriented Web-application Framework, written in PHP. It is targeted at developers who wish to focus on business logic, instead of coding HTML. Where other application frameworks mainly provide a large set of utility classes, ATK provides a complete framework that requires only small amounts of code to get usable applications, while maintaining full flexibility. It is currently the back-end software for the 'achievo' project management/project tracking tool.
Ad-hoc Support Library
Ad-hoc Support Library (ASL) is a user-space library which provides an API to faciliate implementation of routing protocols for wireless ad-hoc networks in GNU/Linux.
Ada Components
A component library for the Ada language. The four main categories are data structures, math, Ada programming tools, and OS interface.
Ada Motif binding library
SERC's Ada/Motif is a complete binding to X Windows and OSF/Motif for the Ada programming language it was based in part upon the SAIC/Unisys (STARS) public-domain bindings it incorporates many of the bug fixes and additional capabilities beyond the public-domain releases in Ada/Motif. Most noteworthy are the capabilities included in Ada/Motif for Ada tasking, callback registration, memory leak detection/prevention and capabilities for developing customized widgets. Paramax/STARS considers Ada/Motif to be the commercial version of their STARS bindings, according to SERC.
AdaSockets
'AdaSockets' is a library that lets you use sockets in Ada 95. It supports unicast and multicast sockets, and uses object oriented structures to ease sockets manipulation.
AdaUnits
'AdaUnits' provides an implementation of dimensioned values for Ada. Unit checks are made at run-time, if not optimized out by the compiler. The package supports SI and irregular measurement units and shifted units (like degrees Celsius). Conversions from and back to strings are provided for all various irregular units.
Adns Heckert gnu.tiny.png
GNU adns is a C library that provides easy-to-use DNS resolution functionality. The library is asynchronous, allowing several concurrent calls. The package also includes several command-line utilities for use in scripts.
Aften
Aften is a simple A/52 (AC-3) audio encoder based on the FFMpeg libraries. The name is an acronym for A/Fifty-Two ENcoder. It is also Danish and Norwegian word for 'evening'. It is able to create stereo and multi-channel AC3-compatible audio streams.
Ags
Advanced GTK+ Sequencer (AGS) is intended to use for music composition. It features a piano roll, as well a synth, matrix editor, drum machine, soundfont2 player, mixer and an output panel. Further it has LADSPA, DSSI and Lv2 plugin support. It's designed to be highly configurable. You may add effects to its effect chain; and add or remove audio channels/pads. You may set up a fully functional network of engines, thus there is a link editor for linking audio lines. AGS requires a realtime kernel and ALSA support. AGS uses conditional locks to keep several threads in sync that's why you need at least a preemptable kernel. LADSPA support has been added to version 0.4.2 as well export to WAV. Version 0.5.x brings you first concurrent audio tree processing support. Version 0.6.x is dedicated to accessibility. You might control GSequencer by keyboard. As you move to a note it provides you an audible feedback. Version 0.7.x gives you the benefit of providing the libraries libags, libags-thread, libags-server, libags-audio and libgsequencer. It contains for now an automation editor. Open Sound System (OSS4) and JACK Audio Connection Kit support has been added recently. Now you may configure multiple soundcards. Since 0.7.111 there is MIDI input available. Let you record your MIDI instrument and doing live performance. Version 0.8.x extended MIDI support to import/export SMF. A built-in envelope editor and additional editing functionality like move/crop selected notes.
Airhook
Airhook is a reliable data delivery protocol, like TCP. Unlike TCP, Airhook gracefully handles intermittent, unreliable, or delayed networks. Other features include session recovery, queue control, and delivery status notification. Airhook is useful for keeping connections running over bad wireless networks (like CDPD), intermittent dial-up connections, and any other network that doesn't work very well. The implementation includes a TCP proxy (so you can use HTTP, SSH, etc.) and a protocol library for applications that want more control (real-time media delivery, games, etc).
Aisleriot
Aisleriot is a suite of Solitaire card games which are easy to play with the aid of a mouse. This package includes popular variants such as spider, freecell, klondike, thirteen (pyramid), yukon, canfield and many more.
Alchemist
This package provides a functional, Ruby Domain-Specific Language (DSL) for casting, transforming and transposing objects. The project's README file provides the following explanation of the purpose of this library:

Rationale


Casting complex objects from one type to another can be an uncomfortable process to express well. Objects that we use on a daily basis are not always in our control, and, even when they are, some don't lend themselves to simple construction. Remote service communication objects or complex data structures from libraries we use in our applications can result in large piles of casting code.

This circumstance often produces large swaths of procedural code, even if split up into separate function calls. This code can be not only difficult to understand, but difficult to test if an object requires a great deal of set up. Field or method assignments midway through can change and break the entire operation.

The goal of this project is to provide a method of defining easily digestible specifications for object translation that are also easily testable and changeable. The project focuses on writing specifications for transformations and not doing direct mutation in the recipes. The result is something that should seem somewhat functional, but also exceedingly separable.

Aletheia
In short, Aletheia is software for getting science published and into the hands of everyone, for free. It's a decentralised and distributed database used as a publishing platform for scientific research. So, Aletheia is software. But software without people is nothing. To comprehensively answer the question what is Aletheia, Aletheia is software surrounded by a community of people who want to change the world through open access to scientific knowledge. For a more in depth explanation, Aletheia is an Ethereum Blockchain application utilising IPFS for decentralised storage that anyone can upload documents to, download documents from, that also handles the academic peer review process. The application runs on individual PCs, all forming part of the IPFS database. This gives us an open source platform that cannot be bought out by the large publishers (and any derivitive works must also be open source) that should also be hard to take down due to the database being spread across the globe in multiple legal jurisdictions. Aletheia is designed to be a resilient platform run transparently by the community, not some black box corporation or editorial board, meaning all users can see the decisions Aletheia is making and have a stake in that decision making process if they so desire. By this nature, Aletheia is decentralised, it has no key person risk. Should the core group who invented Aletheia dissapear Aletheia won't cease to exist, it will continue to be run by the community. The community moderates content through various mechanisms (peer review, reputation scores etc.,) to ensure quality of content.
Alexis FTP (aftp)
aftp is an FTP library and a background FTP tool. The aftp tool is a good example on how to use the library. You need FTP functionality in your software? Use the aftp library!
Algart
AlgART are free software Java libraries, supporting generalized smart arrays and matrices with elements of any types (1 bit, 8/16/32/64-bit integers, 32/64-bit floating point values and any other Java types), including a wide set of of 2D-, 3D- and multidimensional image processing and other algorithms, working with arrays and matrices.

Main Features

  • The libraries use 63-bit addressing of array elements (all indexes and length are represented by 64-bit long type). So, it's theoretically possible to create and process arrays and matrices containing up to 2^63-1 (~10^19) elements of any primitive or non-primitive types, if OS and hardware can provide necessary amount of memory or disk space.
  • Memory model concept allows storing AlgART arrays in different schemes, from simple Java arrays to mapped disk files; all necessary data transfers are performed automatically while every access to an element or a block of elements.
  • Most of algorithms are based on wide usage of lazy evaluations. Typical operations, like elementwise summing or geometrical matrix transformations, are implemented via lazy views of the source array or matrix.
    • For example, you can take a multidimensional matrix, rotate it (or perform any other affine or projective transform), and then extract a submatrix from the result. All these operations will be performed virtually (not requiring time), and actual calculations will be performed only at the moment of accessing elements, usually while copying the resulting matrix to a newly created one. Moreover, in many cases the libraries will "understand" itself, that the user wants to perform rotation or another transform, and will split the matrix into suitable rectangular blocks (fitting in RAM) and choose the best algorithm for this task at the moment of copying operation.
  • The libraries contain a wide set of image processing algorithms over matrices: linear filtering, mathematical morphology, rank operations, spectral transformation (FFT), etc.
  • There is also skeletonization and measuring of binary images.
Allegro
Allegro is multi-platform game programming library for C/C++ developers distributed freely, that provides many functions for graphics, sounds, player input (keyboard, mouse and joystick) and timers. It also provides fixed and floating point mathematical functions, 3d functions, file management functions, compressed datafile and a GUI. It can also be used for other types of multimedia programming.
Alliance
Complete set of free CAD tools and portable libraries for VLSI design. It includes a VHDL compiler and simulator, logic synthesis tools, and automatic place and route tools. Advanced verification tools for functional abstraction and static timing analysis are part of the system. A complete set of portable CMOS libraries is provided, including a RAM generator, a ROM generator, and a data-path compiler.
Alogg
'alogg' is a library which makes it easier to use Ogg/Vorbis streams with Allegro. It offers facilities to decode, stream, and encode Ogg/Vorbis streams, and integrates those facilities with Allegro's datafile and sample loading routines. 'alogg' comes with a sample player, streamer, and encoder based on Allegro's sound routines.
Alpine3D
Alpine3D is a spatially distributed (surface), three dimensional (atmospheric) model for analyzing and predicting dynamics of snow-dominated surface processes in mountainous topography. It includes models for snow cover (SNOWPACK), vegetation and soil, snow transport, radiation transfer and runoff which can be enabled or disabled on demand.
Alpy
Alpy provides a Python binding to the C Allegro game programming library. This binding is mostly focused with providing a basic "raw" interface to the library, trying to preserve most of the Python API similar to the C version to ease the transition to C programmers.
Amara
Library for XML processing in Python, designed to balance the native idioms of Python with the native character of XML.
An Gramadoir
An Gramadóir is intended as a platform for the development of sophisticated natural language processing tools for languages with limited computational resources. It is currently implemented for the Irish language (Gaeilge); this is, to the best of my knowledge, the first grammar checker developed for any minority language. Ports for Afrikaans, Cornish, Esperanto, Walloon, and Welsh are currently underway. The grammar checker can be called from emacs, vim, or OpenOffice. Various components of the engine can be bootstrapped using statistical methods based on text corpora.
Anemone
Anemone is a Ruby library that makes it quick and painless to write programs that spider a website. It provides a simple DSL for performing actions on every page of a site, skipping certain URLs, and calculating the shortest path to a given page on a site. The multi-threaded design makes Anemone fast. The API makes it simple. And the expressiveness of Ruby makes it powerful.
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.
AntTweakBar
AntTweakBar allows programmers to quickly add a light and intuitive graphical user interface into graphic programs to interactively tweak them. It is a small and easy to use C/C++ library that can be readily integrated into OpenGL and DirectX applications. It targets graphical programs that need an easy way to tweak parameters and see the result in real-time like 3D demos, light inline game editors, small 3D applications, prototypes, debug facilities of weighter graphical programs, etc. Programmers are not required to design the graphical interface by providing coordinates or by using a visual UI editor. Controls are automatically organized following an optional given hierarchy. In most cases, only one line of code is needed to add a new variable to a tweak bar. AntTweakBar can be easily integrated with your own windowing system or with existing toolkits. Examples of integration with GLFW, SDL, GLU are provided.
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.
Apophenia
'Apophenia' is a statistical library for C. It provides functions on the same level as those of the typical stats package (OLS, probit, singular value decomposition, &c.) but doesn't tie the user to an ad hoc language or environment. It uses the GNU Scientific Library for number crunching and SQLite for data management, so the library itself focuses on model estimation and quickly processing data.
App
'App' is a C++ preprocessor for that accepts as input arbitrary C++ code that may contain embedded constructs for specifying algebraic data types and associated pattern matching operations, and produces as output the same code with all such constructs translated to normal C++. 'app' provides for C++ the same capabilities that functional languages have regarding algebraic types. 'Applib' is the associated runtime library that supports the core run time requirements of the translated code, and which provides additional utilities.
AppTools
The AppTools project includes a set of packages that Enthought has found useful in creating a number of applications. They implement functionality that is commonly needed by many applications
  • enthought.appscripting: Framework for scripting applications.
  • enthought.help: Provides a plugin for displaying documents and examples and running demos in Envisage Workbench applications.
  • enthought.io: Provides an abstraction for files and folders in a file system.
  • enthought.naming: Manages naming contexts, supporting non-string data types and scoped preferences.
  • enthought.permissions: Supports limiting access to parts of an application unless the user is appropriately authorised (not full-blown security).
  • enthought.persistence: Supports pickling the state of a Python object to a dictionary, which can then be flexibly applied in restoring the state of the object.
  • enthought.preferences: Manages application preferences.
  • enthought.resource: Manages application resources such as images and sounds.
  • enthought.scripting: A framework for automatic recording of Python scripts.
  • enthought.sweet_pickle: Handles class-level versioning, to support loading of saved data that exist over several generations of internal class structures.
  • enthought.template: Supports creating templatizable object hierarchies.
  • enthought.type_manager: Manages type extensions, including factories to generate adapters, and hooks for methods and functions.
  • enthought.undo: Supports undoing and scripting application commands.
Argtable
Argtable is a freely available C/C++ programmer's library for parsing the command line arguments. Having only a few functions and a simple set of rules, it is capable of handling most aspects of command line parsing and error reporting with a minimum of fuss.
Armadillo: C++ library
Armadillo is a C++ linear algebra library (matrix and vector maths) aiming towards a good balance between efficiency and ease of use while staying lean. This library is useful if C++ has been decided as the language of choice (due to speed and/or integration capabilities), rather than another language like Matlab ® or GNU Octave. Armadillo uses a delayed evaluation approach in order to combine several operations into one and reduce (or eliminate) the need for temporaries. This is accomplished through extensive use of recursive templates and template meta-programming.
Aspell Heckert gnu.tiny.png
GNU Aspell is a spell checker that can be used either as a library or as an independent spell checker. It does a much better job of coming up with possible suggestions than other English language spell checkers. Other technical enhancements over Ispell include shared memory for dictionaries and intelligent handling of personal dictionaries when more than one Aspell process is open.


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