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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 Midi Kommander
ALSA MIDI Kommander is a DCOP interface exposing many ALSA Sequencer features for shell scripts, Kommander scripts, or KDE programs requiring MIDI Sequencer services. A few MIDI utilities have been developed with this tool, which can be used both as programming examples and as real work tools.
For faster file search, with instant results as you type, take a look at the ANGRYsearch, a Python-based app. It displays results as you type the name of the file/folder you are looking for. With lots of configuration options and three search modes: Fast – default; fastest, but no support for substrings Slow – slightly slower, but can find substrings Regex – slowest, used for very precise searches using regular expressions this is a powerful tool.
'aRts' is a framework for developing modular multimedia applications. The sound server, artsd, lets multiple applications cooperatively process and output sound and music. aRts provides its filter and synthesis capabilities to other applications using the multimedia communication protocol (MCOP). The package is also capable of modular realtime synthesis. It can create sounds & music (realtime midi synthesis) using small modules like oscillators for creating waveforms, various filters, mixers, faders, etc. As of Dec 02, 2004, development on this project has been discontinued.
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.
'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.
The Aap program executes recipes. It is a kind of super-make program. In a recipe you describe how to perform a certain task. Like a Makefile it contains dependencies and build commands. Additionally, many powerful features are included, so that you can use a recipe to:
  • Build a program by just specifying the program name and the source files
  • Maintain a web site (the A-A-P site is generated and uploaded with a recipe)
  • Download the latest version of files
  • Distribute files to several servers at once
  • Obtain a module from CVS
  • Commit changes to CVS; add and remove files automatically
  • Generate and filter files
  • Build several variants and on multiple platforms with little effort
'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.
'abcpp' is a simple yet powerful preprocessor designed for, but not limited to, ABC music files. It provides conditional output, macros, symbol renaming, and file inclusion. It was written to overcome incompatibilities between ABC packages, and to facilitate writing portable, and more readable ABC files.
abcsh, still in the planning stages, will be a shell for processing ABC music notation files. It could form the foundation of a larger system for music composition and orchestration using ABC music notation as a means of representing musical performance. The shell hopes to handle routine ABC transformation like part extraction, transposition, part merging etc. It will also be designed so that you can access the ABC notation file content from embedded scripting languages. It supports ABC music notation version 2.0.
AbiWord is a full featured word processor. Current features include:
  • basic character formatting
  • paragraph alignment
  • spell-check
  • import of Word97 and RTF documents
  • export to RTF, Text. HTML, and LaTeX formats
  • interactive ruler and tabs
  • styles
  • unlimited undo/redo
  • multiple column control
  • widow/orphan control
  • find/replace
  • images
Abuse is a 2D side-scrolling shoot-'em-up action/puzzle game.
Accerciser is an interactive Python accessibility explorer for the GNOME desktop. It uses AT-SPI to inspect and control widgets, allowing you to check if an application is providing correct information to assistive technologies and automated test frameworks. Accerciser has a simple plugin framework which you can use to create custom views of accessibility information.
Acm Heckert gnu.tiny.png
GNU ACM is a distributed aerial combat simulator that runs on the X Windows System. Players engage in air to air combat against one another using heat seeking missiles and cannons. The program has support for 16, 24, and 32 bit graphics cards.
ACME is a small GNOME tool to make use of the multimedia buttons present on most laptops and Internet keyboards: Volume, Brightness, Power, Eject, My Home, Search, E-Mail, Sleep, Screensaver, Finance, WWW, Calculator, Record, Close Window, Shade Window, Play, Stop, Pause, Previous, Next, Groups, Media, Refresh, and Help buttons. It works on all the platforms GNOME supports (laptops and PCs). It uses either OSS or ALSA for Volume control.
Actim allows you to send and retrieve files, and to call command line programs on a target machine via emails. The application can handle both synchronous and asynchronous requests with basic security features. It has both command line and graphical user interfaces. This can be useful if, for example, your home PC does not have any access to your office workstation which is behind the company firewall.
Adie is a fast and convenient programming text editor written using the FOX Toolkit. It is also a convenient file viewer, supporting several methods to move from one file to the next. For each visited file, it remembers where you were last looking, and which special places have been bookmarked, so you can quickly return to frequently visited places. Users can optionally visit files with a single click by displaying the File/Directory browser side by side with the text.
Advance is an open source personal information management (PIM) system which is database-backed, Qt based, cross-platform, and includes support for KDE. Advance provides provides schedule, task and contact management.
Aegis is a transaction-based software management system. It provides a framework within which developers work on changes independently, and coordinates integrating those changes back into the master source code. The program supports geographically distributed development. Aegis supports distributed and multiple repositories, change sets, multiple lines of development, multiple simultaneous active branches, and branching to any depth. It enforces a development process which requires that change sets "work" (they must build successfuly and optionally include and pass tests) before being integrated into the project baseline. It also ensures that code reviews have been performed. The program also supports long transactions, which allows appropriately created changes to be treated as if they were projects and therefore to have changes made to them. This allows a hierarchy of changes within changes, to any depth. Each project is a separate repository, with separately configurable policies.
Aetherspace is a project to produce a multiplayer game that blends several different game genres. It is being developed by gamers as a way to learn programming. These games are currently under development and, while fun to look at, are not considered playable yet.
Aewm is a minimalist window manager for X11. It has no nifty features, but is light on resources and extremely simple in appearance. It should eventually make a good reference implementation of the ICCCM. A few separate programs are included to handle running programs, switching between windows, etc.
Affinty is a desktop search tool, which hopes to provide a quick way to get at all the different information on your desktop. It achieves this by having various back-ends, but implemented through one standard interface.
Current Features
  • Front-end to both the Beagl and Tracker desktop search engines.
  • Has actions (configurable through Desktop files), which speed up common tasks.
  • Has built-in, user-configurable, filters which work in the the entry box, so typing pics:london will only bring up pictures.
  • Super-fast application searching through an built-in list of applications.
  • Colours can be customised to your taste.
  • Lives in the system-tray, but can be called by a global key stroke. Default is Ctrl+Alt+a, but you can change it to anything you like!
AfterStep is a Window Manager for X which started by emulating the NeXTSTEP look and feel, but which has been significantly altered according to the requests of various users. Many adepts will tell you that NeXTSTEP is not only the most visually pleasant interface, but also one of the most functional and intuitive out there. AfterStep aims to incorporate the advantages of the NeXTSTEP interface, and add additional useful features.
AfterStep Clock Applet
NeXT-like clock, completely rewritten for gtk & gnome. Features the classic NeXT clock, a few themed digital clocks, Internet Beats clocks (Swatch-style), and coolest of them all fully pixmaped analog clocks. It can set the timezone for asclock
Agave - GNOME Colorscheme Generator
GNOME Colorscheme lets you select a starting color and generate six different kinds of color schemes. The colors can then be copied to the clipboard for easy use in HTML and CSS. It is currently a very simple but useful utility.
A clone of 'Asteroids' using fixed-point math, originally developed for the Agenda VR3 GNU/Linux-based handheld PDA.
The A-A-P GUI IDE is a framework in which separate tools can work together. Like any other Integrated Development Environment it supports:
  • Creating a project
  • Building and executing a program
  • Browsing files
  • Debugging a program while displaying source code
  • Framework Agide is not a monolitic application. Separate tools can be plugged in. Thus you are not forced to use one editor. Each tool implements part of the plugin interface. This interface makes it possible for a tool to communicate with other tools, without the need to know how the other tools work. For example, an editor can set a breakpoint in a file, without knowing what kind of debugger is being used. And the debugger can show the PC position in a source file, without knowing what editor is being used.
AirTraffic is a game that puts you into an air traffic controller's hotseat. Planes come into your airspace from various directions; you guide them safely to their final destinations. While not yet complete, the program is under active development; it currently consists of various server programs and a GTK/Gnome client. The client uses GTK/Gnome as its UI. The author welcomes contributions from UI designers and coders as well as individuals with air traffic experience.
Airs is a tool that can periodically check for new TV episodes online on a few of the popular Web sites. It will present to you if and when there are new episodes available. It supports lifetime management for the downloaded episode information where you can track which episodes you've already seen, which you are still retrieving, and which ones you still have to find.
'AKFQuiz' lets you make your own quiz games, learning exercises or psychotests. These can be used with grquiz in a graphical environment, or with scrquiz on the text-console. There is also a line oriented variant, linequiz, which can be used as a backend. A CGI-variant, cgiquiz, can be installed on a Web server to offer exercises via Internet or a local network. Or you can use mkquiz, which generates an HTML-file for to use with JavaScript. Those can then be published using any web-space provider.
'akregator' is a fast, lightweight, and intuitive feed reader program for KDE. It lets you browse quickly through hundreds of thousands of internet feeds quickly, efficiently, and in a familiar way. It is currently under an extended beta beta process, but is considered stable.
Album Cover Art Downloader 2
Album Cover Art Downloader will go through your collection of music albums and for each one download a set of matching cover images for you to choose from. It makes the selected image usable for programs such as KDE, Windows Media Player, etc.
Alerttail monitors a given file and executes a list of actions when a user-defined text pattern has been written to the file. For example, the user can pop up a GTK notification window when a certain message is written to a log file. Actions can be alerttail-built-in actions (GTK notify action, geoipLocalization action, or filtering text action) or a custom user defined shell command action.
Alfandega Firewall
Alfandega Firewall is a collection of Perl modules that helps users to implement iptables-based firewalls for two interfaces. It provides local and remote blacklists, spoofing checks, packet forwarding, ICMP control, service configuration, and more.
A shooting game similar to the arcade games "Space Invaders" and "Galaxian," originally created for the Agenda VR3 GNU/Linux-based handheld PDA.
AllCommerce is an e-commerce/content application based on Perl and SQL92 databases which runs under Unix/Linux/Win2000 using SQL database engines (MySQL/Postgres/etc). It provides a shopping cart as well as tools for content, merchandise, statistics, vendor, order, and inventory. Its modular design allows it to be used as a complete or partial solution.
AllTray is software that allows users to dock any application into the system tray. You can dock (for example) Mozilla Thunderbird, Evolution, and even terminals. A highlight feature is that a click on the close button of an application will minimize it to the system tray. It works well with Gnome, KDE, XFCE 4, Fluxbox, and WindowMaker.
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.
Alleyoop is a graphical front-end to the increasingly popular Valgrind memory checker for x86 GNU/ Linux using the Gtk+ widget set and other GNOME libraries for the X-Windows environment. Features include a right-click context menu to intelligently suppress errors or launch an editor on the source file/jumping to the exact line of the error condition. A searchbar at the top of the viewer can be used to limit the viewable errors to those that match the regex criteria entered. Also included is a fully functional Suppressions editor.
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.
allocPSA is an online professional services automation solution. allocPSA is a suite of integrated applications designed for services-based organizations. It enables services organizations to improve staff efficiency through increased utilization of productive time, better planning, and integrated knowledge management.
AlsaPlayer is a PCM player written with the ALSA sound system in mind. It also includes support for JACK, OSS, NAS, and ESD. It makes extensive use of multi-threading and supports OGG, MP3, WAV, CDDA (CD Digital Audio), MOD, S3M, IT, and many other input types. Features include a real- time effects stream, variable speed/pitch control, multiple active visual scopes, command line mode, playlists, plugin architecture, low-latency mode, and more.
Althea is an IMAP E-Mail client for Gtk. Supports such advanced features as multiple servers, IMAP over SSL and message filtering.
Amarok is a cross-platform multimedia player that uses the Phonon sound server framework to play audio media and streams, and features a fresh and efficient approach to playlist handling. The emphasis is on the quick and easy user interface, allowing for fast access to the media library.
AmigaShell makes your shell look just like an Amiga commandline. It won't run under X or over a remote shell. It has been tested successfully on i386 (textmode), Sparc (framebuffer), and PowerPC machines running Debian GNU/Linux. There is an information bar across the top that shows kernel version, free memory, load average, time, and date. Amigashell loads the amiga font, changes the cursor appearance, and loads amiga colors but does not affect screen resolution.
The aim is to find as many words as possible in the time available. Get the longest word and you'll advance to the next level. Three words describe it... Simple Addictive Fun
Anguly Mail Client
A lightweight Mail Client written in C and Gtk+, with Pop3, Imap, GMail, Smtp Support, currently support only Pop3 and SMTP.
Animal Shelter Manager
Animal Shelter Manager is a complete ksoftware solution for animal sanctuaries and rescue shelters. It features complete animal management, document generation, full reporting, charts, Internet Web site publishing, PetFinder integration, and more.
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.
Anki is a flashcard program which makes remembering things easy. Because it is a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn. Anyone who needs to remember things in their daily life can benefit from Anki. Since it is content-agnostic and supports images, audio, videos and scientific markup (via LaTeX), the possibilities are endless. For example: - learning a language - studying for medical and law exams - memorizing people's names and faces - brushing up on geography - mastering long poems - even practicing guitar chords!
AntiDialer is a QT-based broadband dialer for Sify Broadband users in India. It has features comparable to the Sify Windows dialer, such as password saving and autologin. Now Sify users no longer have to depend upon the old default dialer provided by Sify.
'AntiRight' is optimized to work on all POSIX-compatible systems supporting the Motif API. The software consists of a text editor, a clock, a CD player, a sticky notes applet, an internet dialer interface, a filemanager, a calculator, a shell command launcher, a help system, an X backdrop editor, an X resource theme selector, a security control panel, an xhost controller, a disk settings panel, and a graphical pager.
Apertium is a machine translation platform. Data for a language pair can be used to translate text in various formats from one language to another.
Appliworks is an application that was designed to let you classify and view your pictures in an innovatie way, without even touching the real file on your hard drive. It implements a virtual folders-based pictures database with multi-view windows similar to those in iPhoto. Many operations can be perfomed using drag-and-drop.
Aqsis is a Renderman(tm) compliant 3D rendering toolkit. It is based on the Reyes rendering approach. Features include programmable shading, true displacements, NURBS, CSG, Motion Blur, and direct rendering of subdivision surfaces.
Aqualung is an advanced music player originally targeted at the GNU/Linux operating system, today also running on FreeBSD, OpenBSD and other platforms. It plays audio CDs, internet radio streams and podcasts as well as soundfiles in just about any audio format and has the feature of inserting no gaps between adjacent tracks. It also supports high quality sample rate conversion between the file and the output device, when necessary.
'Ara' is a command-line utility for querying the Debian package database. It has a query syntax allowing you to search for boolean combinations of regular expressions. It includes a simple syntax and line-editing. A graphical interface, xara, is also provided.
Administration of Chess Tournaments has been monopolized by non-free software. The lack of free tools makes it very difficult for an arbiter to use GNU/Linux. Arbitools is born to become a colection of utilities for the most common tasks. It is desgined to make it easy to extend. It has been written in python in order to make multiplatform support easy. FEATURES:
  • Different types of files supported.
  • Updating data in different types of tournament database files.
  • Adding lists of players to already created files.
  • Getting standings from tournament database files.
  • Add custom tiebreaks to tournament database files.
  • Get tournament report files.
Archimedes Heckert gnu.tiny.png
Archimedes is 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).
Archive is a fully drag-and-drop multi-format archiver. Drag a directory onto it to create an archive; drag an archive onto it to extract to a directory. It can also compress and decompress streams (for example, you could drag a .gz file onto Archive and from Archive into your text editor). Archive can create .tgz, .tar.bz2, .zip, .jar and .tar archives and can extract all the above as well as .rar, .rpm, .cpio and .deb formats. It can compress and decompress files to and from .gz, .uue and .bz2 formats.
Ardesia is a painting software that help you to make colored free-hand annotations with digital ink everywhere, record it and share on the network. It is easy to use and impressively fast and reactive. You can draw upon the desktop or import an image and annotate it and redistribute your work to the world. Probably Ardesia will become your preferred free digital sketchpad, let's create quick sketch and artwork. Thanks to Ardesia you are free to open any application and fix your ideas and comments as if you wrote on a classic chalkboard. Tradition and innovation are living together in simplicity thanks to a natural user interface that reproduce the natural feeling of the free hand painting. Reduce the traditional whiteboard and paper usage; Ardesia is smooth and fuzzy! You can use the tool to make effective on-screen presentation, highlight things or point out things of interest. The tool facilitates the online presentations and demos showing in real time your computer screen to anyone in the network.
Ardour is a professional multitrack/multichannel audio recorder and DAW for GNU/Linux, using ALSA-supported audio interfaces. It supports up to 32 bit samples, 24+ channels at up to 96kHz, full MMC control, a non-destructive, non-linear editor, and LADSPA plugins.
ArgusEye is a GUI for some of the features of Argus. Argus is a powerful suite of tools for transaction-based network auditing. ArgusEye aims at supporting daily work with Argus by providing a graphical user interface.
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.
Aria Maestosa
Compose, edit, and play MIDI files. Has a graphical user interface with multiple instrument-specific views.
aria2 is a utility for downloading files. It has completely new design concept from its predecessor, Aria, and is written from scratch. aria2 has a segmented downloading engine in its core. It can download one file from multiple URLs or multiple connections from one URL. This results in very high speed downloading, much faster than ordinary browsers. This engine in was implemented in a single-thread model. The architecture is clean and easy to extend. aria2 currently supports HTTP, FTP, and BitTorrent. It also supports Metalink version 3.0.
Aricalc is a simple calculator for working with imperial values - dimensions given in feet, inches and fractions of inch. It can do all the standard math functions with those kind of values, as well as with square or cubic values (for area or volume dimensions). It can also calculate all the parameters of a slope (pitch, run, rise and diagonal). It is particularly useful for working in the construction industry.
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.
Armagetron Advanced
Armagetron Advanced is a 3D multiplayer action game users can play either locally against AIs or other humans in splitscreen mode or on a network against other humans. In the game you control a lightcycle that leaves behind a wall and can only do 90- degree turns (by default). Main target is to get others to crash into your wall while trying to stay alive yourself. Game types include Last Man Standing, Fortress (conquer the enemy zone) and Deathmatch with respawning. Each server can have its own unique physics settings, including speed, amount of brakes, aceleration you get when driving close to another wall, niceness when hitting walls, wall length, the directions a cycle can turn into and much more. There's also support for maps which allows you to not just fight within a rectangular area but an arena of any shape.
Arson is a KDE frontend to various CD burning and ripping tools. It was originally written to burn audio CDs, as there were no other frontends that used cdrdao (in disk at once mode), that could decode various encoded audio formats (mp3, ogg), and that displayed an accurate track length as the playlist was created. Arson was later expanded to include full progress display for all lengthy operations, audio CD burning, normalization of tracks before burning to even out volumes, data CD burning, CdIndex support (a free CDDB-like service), CD-to-CD copying (direct or with an intermediate file), and audio CD ripping/encoding (ripping tracks from a CD to files), and encoding to WAV, MP3, and Ogg Vorbis formats is supported. Data CD burning and [S]VCD image creation and burning are supported.
Art of Illusion can be used as a 3D Modeller and can be used to create movies. It can currently import and export Alias .obj files and export VRML97 files (without animation). To create movies, Art of Illusion has a offline renderer and set of tools to create animations. Highlights include subdivision surface based modelling tools, skeleton based animation, and a graphical language for designing procedural textures and materials.
'ascpu' is an X windows applet with AfterStep look which displays the current CPU load (user/system/nice) and calculates the average load. It features multiple options for customization.
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.
Asgard Free Software RPG
Join "Hand"; in an all new epic adventure to destroy an ancient sealed enemy. Asgard is a role playing game complete with menus, random battles, maps, towns, and dungeons.
Asmem is a a memory utilization monitor. It shows the current amount of memory and swap space, and the free amounts of those. Bars represent graphically the different types of memory. It has an AfterStep look and feel. The current version compiles on the Hurd.
Asteroids is a three dimensional first person game whose object is to blow up as many asteroids as possible.
Astro Catalog
The Astro::Catalog module is an generic, object-oriented astronomical catalogue. It provides access to the online USNO-A2 and Guide Star Catalogues provided by ESO/ST-ECF, and additionally provides read/write access to ARK CLUSTER format files.
Asymptopia Blackjack
Asymptopia Blackjack (aka: Motorcycle Blackjack) teaches kids to gamble without losing their allowance.
'Asymptote' is a script-based vector graphics language for technical drawing, inspired by MetaPost but with an improved C++-like syntax. It provides for figures the same high-quality level of typesetting that LaTeX does for scientific text. It is a programming language, not just a graphics program, so it can use the best features of both scripts and GUIs. High-level graphics commands are implemented in the language itself, so they can be tailored to specific applications. Labels and equations are typeset with LaTeX for high-quality PostScript output.
'at-spi' is a part of the Gnome Accessibility Project. It provides a Service Provider Interface for the Assistive Technologies available on the GNOME platform, and a library against which applications can be linked.
'aterm' (AfterStep term) is an xterm replacement based on rxvt v.2.4.8. It includes features such as NeXT style scrollbar, and resource efficient pseudo-transparency (does not consume extra resources). It understands root background changes by AfterStep Pager and Esetroot. Its primary goal is to provide cool visual features without excessive resource consumption. 'aterm' can be compiled to utilize AfterStep's libasimage for wider image format support.
'atlc' (Arbitrary Transmission Line Calculator) is a computer aided design (CAD) package for designing and analysing electrical transmission lines and directional couplers of totally arbitrary cross section, with an arbitrary number of different dielectrics. The analysis programs in 'atlc' lets users find the electrical properties of a transmission line or coupler whose physical dimensions are known. The design programs lets users physically realise a transmission line or coupler with certain given electrical properties. The package supports multiple CPUs, as some parts are CPU intensive. It is most likely to be useful to radio amateurs.
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.
Audacity is a cross-platform multitrack audio editor that lets you record sounds directly or import Ogg, WAV, AIFF, AU, IRCAM, or MP3 files. It features a few simple effects, all of the editing features you should need, and unlimited undo. The GUI is built with wxWidgets and the audio I/O currently uses PortAudio.
Audio Space
AudioSpace calculates the amount of storage required by an audio recording of a given duration, for different sampling rates, resolutions, and numbers of channels. The calculation may be made for uncompressed audio data or for several types of compression. A variety of units may be selected for reporting the result. The calculation may also be made in the opposite direction so as to determine how long a recording will fit into the available space.
audio convert is a script that converts between WAV, Ogg, MP3, MPC, FLAC, APE, and WMA files. It has an easy-to-use interface that makes it possible to fill in the tags for a few formats and choose the quality of compression. The script was initially designed for the Nautilus file browser and can be easily installed into Nautilus by copying it to the nautilus-scripts directory. You can then right-click on files and choose "audio-convert" from the "scripts" menu. The script is also known to work on rox or directly from a shell.
AudioMove is a handy GUI-based batch audio file converter/copier program. It can convert various audio file formats to WAV or AIFF format (using libsndfile), and do high-quality sample-rate conversion at the same time (using libsamplerate). It is multi-threaded for maximum throughput, can handle thousands of files per batch, and does recursive directory scans.
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.
AutoDia is a Perl application designed to allow the easy creation of XML diagrams from various data sources. The output is meant for use with Dia (or any XML parser). AutoDia supports any language through the use of handlers, and a good handler for Perl as well as a simple handler for C++ are included. AutoDia is a modular application that parses source code or data (if a handler is available) and produces an XML document in Dia format, essentially a Dia diagram autocreation package. The diagrams its creates are standard UML diagrams showing dependancies, superclasses, packages, classes and inheritances, as well as the methods, etc of each class. AutoDia supports any language that a Handler has been written for - currently this is Perl (pretty good) and C++ (handles simple C++). It does not need Dia or GNOME to be installed. This means it can bulk process dia data on a server without client stuff installed, ie on CVS commits or intranets.
'AutoScan' is an application designed to explore and manage your network. Entire subnets can be scanned simultaneously without human intervention. It features OS detection, automatic network discovery, a port scanner, a Samba share browser, and the ability to save the network state.
AutoScrapbook helps automate the creation and maintenance of an online photo gallery. It creates the thumbnails and Web pages for you by asking you for descriptions of the pictures. It works best when run within X (for picture viewing), but you could use it through only a terminal and a separate browser.
'autopackage' builds packages that will run on different distros. These packages support both graphical and terminal frontends, support dependency checking and resolution, and use deep desktop integration. Tools to enhance the packaged software such as binreloc and relaytool are also included . By providing an autopackage, developers ensure that users always have an easy way of installing the latest release of their software.
Avant Window Navigator
Avant Window Navgator (Awn) is a dock-like bar which sits at the bottom of the screen (in all its composited-goodness) tracking open windows.

Awn uses libwnck to keep a track of open windows, and behaves exactly like a normal window-list:
  • Clicking an icon switches to that window, clicking again will minimise the window
  • Right-clicking will bring up a menu extactly like that of what you see on the window-list, allowing you to max, min, close, resize etc the window.
  • Dragging something on top of an icon will activate that window.
  • Visually (and quite attractively) responds to 'needs attention' & 'urgent' events
  • Can show windows from the entire viewport, or just the visible viewport.
'Avidemux' is a graphical tool to edit video. It can open AVI, MPEG, Nuppelvideo and BMPs. Most common codecs are supported (M-JPEG, MPEG, DivX, Xvid, huffyuv, WMA, etc.) thanks to libavcodec. Video can be edited, cut, appended, filtered (resize/crop/denoise), and re-encoded to either AVI (DivX/Xvid) or MPEG 1/2.
'aview' is an high quality image (pnm) browser and animation (fli/flc) player which renders its output as ASCII-art. It is implemented using AA-lib.
Avogadro is an advanced molecule editor and visualizer designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas. It offers flexible high quality rendering and a powerful plugin architecture.
  • International: Translations into Chinese, French, German, Italian, Russian, Spanish, and others, with more languages to come.
  • Intuitive: Built to work easily for students and advanced researchers both.
  • Fast: Supports multi-threaded rendering and computation.
  • Extensible: Plugin architecture for developers, including rendering, interactive tools, commands, and Python scripts.
  • Flexible: Features include Open Babel import of chemical files, input generation for multiple computational chemistry packages, crystallography, and biomolecules.
awesome is a highly configurable, next generation framework window manager for X. It is very fast and extensible, primarly targeted at power users, developers and any people dealing with every day computing tasks and who want to have fine-grained control on their graphical environment.
AxPoint generates slideshows in PDF format from a simple XML description format. It is written as a Perl SAX2(Simple API for XML) handler, but also ships with command line tools. The format supports slide transitions, PDF bookmarks, bullet point transitions, images, text colours, different fonts, and more. The program's output uses the standard XML::SAX::Writer consumer classes, so you can output directly to a file, a string, or however you need to; this is very useful for dynamic web based presentations. The program supports GIF, JPEG, PNG and TIFF image formats.
Ayam is a free 3D modelling environment for the RenderMan interface. Ayam features at a glance:
  • RIB (RenderMan Interface Bytestream) export and import.
  • Support for NURB curves and (trimmed) NURB surfaces, Boxes, Quadrics (Sphere, Disk, Cylinder, Cone, Hyperboloid, Paraboloid, and Torus), CSG, MetaBalls, Polygonal and Subdivision Meshes.
  • NURBS modelling includes normal and interpolating curves as well as extrude, revolve, sweep, skin, gordon, and birail objects with caps, holes, and bevels.
  • Custom objects that may freely implement their representations (using OpenGL and RIB) and even small GUIs to edit their type specific parameters may be written by the user and dynamically loaded at runtime.
  • Scripting interface: Tcl.
  • Miscellaneous: instancing, arbitrary number of modeling views, object clipboard, independent property clipboard, console, n-level undo.
'ayttm' is designed to become a Universal Instant Messaging client which will integrate all existing IM clients and provide a single consistent user interface. Currently, 'ayttm' supports sending and receiving messages in AIM, ICQ, Yahoo! Messenger, MSN, and Jabber. It also has file transfer between 'ayttm' users, and between users of 'ayttm' and users of the official MSN and Yahoo! clients. The project was formerly know as 'EveryBuddy.'

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