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Projects licensed under GPLv2orlater

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  • 'Q' DVD-Author — GUI for dvdauthor
  • 123sqlengine — 123sqlengine is a functional relational database engine
  • 3DLDF — 3D drawing package
  • 4tH — Forth compiler with a conventional compiler instead of the standard Forth engine
  • A2K — Small unobtrusive IRC bot
  • ABScan — Automated Baseflow Separation for Canadian datasets (ABScan) is a Hydrograph Analysis tool that automatically filters streamflow data into runoff and baseflow components.
  • ACM — Aerial combat simulation game
  • ADM — Intergrates the desktop and the Asterisk phone system
  • AFR — X-Chat plugin
  • AIM Sniff — A network sniffer for AIM and MSN messages.
  • ALE — Combines multiple images into one
  • ALSA Midi Kommander — a DCOP interface
  • ANT — ISDN telephony application
  • ASPSeek — Search engine
  • ATSLog — A web-oriented interface for collecting, viewing and analysing calls for various types of PBXs.
  • AVInfo — Displays audio/video header information
  • AWF — Web framework for a CMS/portal/online group
  • AWStats — Generates and displays Web server statistics graphically
  • Aapl — Library of C++ programming tools
  • Aardvark Shellutils — Three utilities to make working with shell scripts easier
  • Abclock — Analog bitmap clock
  • AbiWord — Word processor from the AbiSource Project desktop suite
  • Acme — Provides support for special keys on laptops
  • AcpiTool — A versatile command line ACPI client for Linux.
  • Actim — Provides the ability to transfer files and execute commands via e-mail.
  • Active Spam Killer — Spam filter
  • Ada/Motif binding library — Binding to X Windows and OSF/Motif for the Ada programming language
  • Advanced Stock Tracking System — A web based stock tracker
  • Aegis — Software configuration management system
  • Aetherspace — Project to produce a multiplayer game
  • Aewan — Tool for creating and editing ASCII art
  • Affinity — is a desktop search tool.
  • Aften — A simple A/52 (AC-3) audio encoder.
  • AfterStep — Window manager for X
  • Agave - GNOME Colorscheme Generator — A simple GNOME application for generating color schemes.
  • Agnostos — Web-based tool for managing to do lists
  • Ah3 — Auto repair shop invoicing and inventory
  • Aigaion — Aigaion is a web-based system for managing annotated bibliographies. It is BibTeX compliant and can im- and export in the BibTeX and RIS format.
  • AirTraffic — Air Traffic Control simulation
  • Alerttail — A tool to execute actions when specific text has been written to a file.
  • Alexandria — Gnome application to help you manage books
  • Algol 68 Genie — A fairly fully featured Algol 68 interpreter
  • Align — Text filter tool that aligns columns
  • Alliance — CAD tools
  • AlphaMail — A middleware-accelerated Web mail client.
  • Althea — IMAP E-Mail client for Gtk
  • Amber — Music composition tool
  • AmphetaRate — A ratings/recommendation news server.
  • An Gramadóir — Grammar checking engine geared toward minority languages
  • Andy's PHP Knowledgebase — A Web-based knowledge base application.
  • Animal Shelter Manager — Software for managing animal sanctuaries and rescue shelters
  • Anjuta — IDE for C and C++
  • Annif — Birthday date monitoring tool
  • Anteil — Customer relationship management software
  • AntiDialer — A Sify GUI Broadband Dialer for Unix.
  • AntiExploit — Scans for well known exploit files
  • AntiRight Desktop Environment — Desktop optimized to work with the Motif API
  • Apophenia — Statistics library for C
  • App — Algebraic typing & pattern matching preprocessor for C++
  • AppliWorks — An innovative image viewer and management system for the GNOME desktop.
  • Aqsis — 3D rendering toolkit
  • ArchZoom — A Web-based browser for the GNU Arch revision control system.
  • Archimedes — Software for designing and simulating submicron semiconductor devices
  • Archmbox — Email archiver
  • Aricalc — Calculator with imperial (feet-inches-fraction) functionality
  • Armagetron Advanced — Another version of the simple action game modeled after the lightcycle sequence of the movie Tron with network capabilities in 3D.
  • Arson — KDE frontend for CD burning/ripping tools
  • ArtofIllusion — 3D modelling, rendering and animation studio
  • Ascii2Binary — Tools for converting numbers between binary and text.
  • AsciiDoc — AsciiDoc is a text document format for writing short documents, articles, books and UNIX man pages.
  • Asgard Free Software RPG — An epic RPG.
  • AsmEdit — Editor and IDE written in assembler
  • AsmIDE — Is a utility programs that support assembler development
  • AsmRef — Reference for x86 assembly language programmers
  • Asterisk Manager Suite — Asterisk admin and monitoring software, including a GTK GUI and proxy server.
  • Asterisk-oh323 — Adds H.323 support for asterisk
  • Astro::Catalog — Object-oriented astronomical catalogue
  • Asymptote — Vector graphics language for technical drawings
  • Atop — System- and process-level monitor
  • AuctionGallery — creates picture galleries for online auctions
  • Audio codec — Patent free audio compression codec for GNU
  • Audio-Convert — Script to transform audio files.
  • AustinSmoke GasTracker — A fuel efficiency and gas price tracking software.
  • Auto-autofs — Generates an automounter map
  • AutoCodeGenerator — Generates programs that maintain database records
  • AutoConvert — Chinese GB/HZ/BIG5 encoding auto convert
  • AutoScan — Network management tool
  • AutoUpdate — Automatically downloads and upgrades RPMs from different FTP sites
  • Autobench — Automates the process of benchmarking a server
  • Autobuild — Processes output from building software and generates HTML summaries
  • Autoconf — Produces shell scripts which automatically configure source code
  • Autofiler — Automatic server-side mail filer
  • Automake — Generates Makefile.in files
  • Autopoweroff — Shuts down a computer when certain conditions are met
  • Autorun — Automatically mounts/unmounts CD-ROMs
  • Autotrace — Converts bitmap images to vector images
  • Autovaca — Probabilities simulator for contract bridge
  • Avant Window Navigator — Fully customisable dock-like window navigator for GNOME.
  • BAR — Free travel reservations system
  • BASH Debugger — Patched BASH shell with extra debugging support
  • BBclone — PHP Web counter
  • BClock — Displays system time in binary format
  • BFFFT — Fortran 90 2D Vectorized Fast Fourier Transform
  • BFilter — Smart ad-filtering HTTP proxy
  • BHL — Converts plain TXT files into HTML, LaTeX, and SGML
  • BIABAM — Bash shell tool for mailing attachments from the command line
  • BIGACE — a fast and easy way to create a web site
  • BINS — Generates static HTML photo albums
  • BKchem — Chemical drawing program
  • BLOG-CMS — Weblog system
  • BMP — A compact, skinned, yet easy-to-use media player.
  • BOKIN — BOKIN is an accounting system based on double-entry bookkeeping.
  • BPEL2oWFN — translates a web service expressed in BPEL into an oWFN
  • Baby — Software project for chess and fractals
  • Backup Manager — A Program to automate system backups
  • Backup Shell — Shell for ssh
  • Backup2l — Manages backups
  • Backuper — Makes backups on CDs or DVDs
  • Backuppc — Backs up files to a server
  • BalazarBrothers — Balazar Brothers is an oniric action-puzzle game in 3D.
  • BananaPos — E-commerce point of sale system
  • BannerFilter — Blocks advertising banners and closes popup windows
  • BannerKiller — Page filtering Web proxy
  • Barbie Seahorse Adventures — A game where Barbie the Seahorse floats on bubbles to the moon.
  • Bartlby — A next generation network and system monitor.
  • Bash — Shell of the GNU operating system
  • Bash Blogger — A bash script blog tool.
  • BashDiff — A patch for Bash with features from Awk, Python, Zsh, Ksh, and others.
  • Basilic — Bibliography server for research laboratories
  • BatRen — An automatic file rename tool.
  • Batchput — Matches and transfers files from a local directory to an FTP server
  • Battstat — Applet that monitors the battery charge on a laptop
  • Bayonne — GNU telephony server
  • Bazaar Version Control — distributed version control
  • Bc — Interactive algebraic language
  • Beancounter — Helps analyze stockmarket data and stock performance
  • BeatForce — A computer DJing system.
  • Bib2html — Converts a BibTeX database to HTML files
  • Bibshelf — Book organizer for Gnome
  • Bidwatcher — Monitors and bids on online auctions
  • Biferno — Scripting language for web development
  • BigText — Prints big text using X11 fonts
  • Bigboos — A network monitoring system.
  • Bigloo — Implementation of the Scheme programming language
  • Bigwig — Programming language for developing interactive Web services
  • Binary I/O library — Portably stores and retrives binary data
  • Binutils — Collection of binary utilities
  • BioMail — Biomedical literature alert tool
  • Bioinformatics Template Library — Library for life sciences programming
  • Bison — Replacement for the parser generator 'yacc'
  • Bitlife — Implementation of Conway's Game of Life
  • Black Hole — Anti-spam application
  • Blackjack basic strategy calculator — A Monte Carlo basic strategy calculator.
  • Blam — RSS reader for the GNOME desktop
  • Blame — RCS equivalent of CVS's "annotate" command
  • Bless — A fast and customizable hex editor.
  • Bloat — Analyses and extracts an archive's filename
  • BlockIt — Monitors the Snort alert file
  • Blossoc — A block-association mapping tool.
  • BlueCombo — A system information applet.
  • BlueLava — A Web/WAP CGI-based x10 interface for home automation.
  • Bluefish — GTK+ HTML editor
  • BoPHP — Web interface for Boss Ogg
  • Boehm garbage collector — Conservative garbage collector for C and C++
  • Bonfire — A disc burning application for GNOME
  • Bonsai — Performs queries on the contents of a CVS archive
  • Bookland.py — Generates ISBN bar codes
  • BoomBasster — A music player that runs under DirectFB and is touchscreen friendly.
  • Boot-Up Manager — This application helps the user to handle init scripts. This means to start or stop them using a nice graphical interface.
  • Bots — Strives to be a complete EDI package.
  • Bpmdj — Free DJ'ing tools
  • Brag — Collects and assembles multipart binary attachments
  • Brltty — Gives blind users access to the GNU/Linux console
  • Browsershots — A community system to make screenshots of Web sites in various browsers.
  • Btn4ws.pl — Creates buttons for Web sites
  • Bubbling Load Monitor Applet — Graphic display of CPU and memory load
  • Buecherwurm — Barcode based system to organize books at school library with focus on the German system (all pupils get the same books at the beginning of term)
  • Bug-A-Boo — Web-based bug tracking system
  • Bulldog Firewall — Powerful but lightweight firewall for heavy use systems
  • Byzanz — Record your desktop session to a GIF file
  • BzrPublish — Eases publishing releases of software developed in bzr.
  • C to C++ converter — Converts C sources or whole project into C++
  • C++ Sockets — C++ wrapper for BSD-style sockets
  • CD-ROM Control — GUI for mounting, umounting, and ejecting the CD-Rom drive
  • CDS Indico — schedule and organise events
  • CDfs — Facilitates access to info in old ISO sessions
  • CF Client — Graphical client for the 'crossfire' game and server
  • CGI:IRC — Lets you access IRC from a Web browser
  • CGI_UTILS — C++ classes
  • CIA — Realtime project tracking system
  • CImg — C++ templated image processing library
  • CLN — C++ class library for numbers
  • CP: Cerebral Procreation — A BF (BrainF***) interpreter and compiler.
  • CPlusPlusDoc — C++ documentation tool
  • CT Sim — Computed tomography simulator
  • CTC — Daemon that prevents ads from downloading
  • CVS — Version control system
  • CVSSearch — Searches code using CVS comments
  • CVSTrac — Bug and patch-set tracking system for use with CVS
  • CVSps — Generates 'patchset' information from a CVS repository
  • CWcal — Web interface for configuring Wcal
  • Cacti — Frontend for RRDTool
  • CalcChecksum — Calculates checksums
  • Calconsole — A calendar and schedule command-line application.
  • Calendula — Fund-raising/contact management software for non-profits
  • Calltree — Static call tree generator for C programs
  • Callweaver — manage your telephone systems
  • CamE — Webcam grabber for video4linux devices
  • Campcaster — An automation system for radio stations.
  • Campfire — Multilingual content management system
  • Campsite — Campsite is a multi-lingual web publishing system for newspaper or magazine-style content.
  • Camserv — Streaming webcam server
  • Camsource — Grabs images from a video4linux device
  • Caravel — An LDAP-based PHP content management system.
  • Caspar — Makefile snippets for common tasks
  • Catdoc — Changes Word files to ASCII text
  • CdFly — A CD collection manager.
  • Cdargs — Adds additional functionality to the 'cd' command
  • Cdparanoia — CD ripper
  • Cdrdao — Writes audio CD-Rs in disc-at-once mode
  • Celestia — Visual simulation of space
  • Center ICQ — Ncurses based ICQ interface
  • Cfengine — Maintains configuration of a heterogenous UNIX network
  • Cflow — Reads and analyzes flow files
  • Change Suffix — Changes the suffix of file and/or directory names
  • Chaosircd — IRC daemon
  • Character Entry Toolkit — A tool for inserting non-ascii characters, especially linguistic notation, into text.
  • ChatSniff — A program that sniffs for instant messages.
  • CheapskateFonts — Collection of free software fonts
  • CheckBook Tracker — Personal money management program
  • CheckGmail — A system tray application that checks a Gmail account for new mail.
  • CheckInstall — Tracks installed files and creates distro-specific packages from them
  • Checkmate — Checkmate checks MP3s for errors.
  • Checkurls — Checks to see if a file at a specified URL has been changed
  • Chirpy! — A Web-based quote management system.
  • ChkBk — A shell script for keeping a checkbook register.
  • ChkTeX — LaTeX typographical checker
  • Chronos — Web calendar for intranets
  • Chrootbin — A helper for creating a chroot environment.
  • Chrootbin — Tool for making and maintaining a basic chroot environment
  • Chungles — A system for easy file sharing among computers on a local network.
  • CinePaint — Image retouching software
  • Civil — American Civil War strategy game
  • ClaSS — ClaSS is a complete student tracking, reporting and information management system for schools.
  • Clabbers — An anagram tool aimed towards solving Scrabble racks.
  • Clara OCR — Optical character reader
  • Claroline — Online learning system
  • Cloak — A comment extraction and search tool.
  • Clunix tools — GNU/Linux cluster management tools
  • CoMoblog — A mobile blogging application.
  • Coccinella — Filesharing client with a whiteboard
  • Code::Blocks — A cross platform C++ IDE
  • CodeBrowser — Folding and outlining editor
  • ColorDiff — Wrapper for 'diff' with colored syntax highlighting
  • ColorExplorer — A cross-platform color chooser
  • Comanche — Multiplatform configuration manager for the Apache web server
  • Comix — A GTK comic book viewer for cbz, cbt and cbr archives.
  • Common C++ — Highly portable C++ class library
  • Compare — Faster implementation of 'cmp'
  • Compute Portal Project — A Web-based front end to a computer resource.
  • Condict — Program for creating dictionaries
  • ConnMon — A connection and bandwidth monitoring program
  • Console Downloader — Is a command line download manager.
  • Contact Form — Sends email through a Web interface
  • Convert From SSI — Converts .shtml files with #include commands in them to regular HTML files
  • Cooledit — Text Editor for the X Window System
  • Courier — Integrated mail/groupware server
  • Courier-IMAP — Lightweight mail server
  • Cowbell — An advanced audio tagger
  • Cplay — Curses frontend for audio players
  • Cpp2latex — Converts C++ into LaTeX
  • Craigslist Finder — An agent that helps you buy what you want on Craigslist
  • CrawlTrack — CrawlTrack is a php script able to track search-engine crawlers on website.
  • CreditCruncher — A calculator for the credit risk for large portfolios using Monte Carlo method.
  • Criawips — A presentation program
  • Cricket — Monitors trends in time-series data
  • Cricket Scoreboard — Displays real-time scores of a cricket match
  • Crikey — Is a program to generate key events under X11.
  • Cron — Job scheduler
  • Crossfire — Server for a graphical, multi-user, 2D tile-based role playing game
  • Crow Designer — A modern GUI building tool for GTK+
  • CryptoMail — Secure email system
  • Ctalk — Is an Object Oriented Extension for C
  • Ctools — Tools for C programs
  • Ctrlproxy — IRC server with multiserver support
  • Cuiterm — A revulutionary user interface for shells.
  • Curator — Displays image galleries
  • Cvsstat — Shows CVS activity
  • CyberBrau — A complete homebrewer's utility.
  • DACT — Compresses files dynamically
  • DBA Companion — GUI tool for Oracle databases
  • DBIx::Browse — Web interface for browsing relational tables
  • DGPS — Lets you get GPS corrections over IP
  • DIY Zoning — Control software for a heating, ventilation, and air conditioning system.
  • DJGPP — GCC, G++, and GNU utilities for DOS
  • DM Tools — Data mining applications written in Python
  • DMD — Service manager that's a replacement for SysV-init
  • DNRD — Caching, forwarding DNS proxy server
  • DNS Flood Detector — Detects abusive traffic on nameservers
  • DSPAM — Server-side anti-spam agent
  • DVC for Emacs — Emacs front-end for a number of distributed version control systems
  • DVD Rip-O-Matic — An MEncoder frontend for ripping DVD disks to XviD format.
  • DVD-Baker — A program to create a DVD slideshow from a picture collection.
  • DVDripTools — Scripts for creating MKV files from a DVD.
  • DadaMail — Lightweight mailing list manager
  • Danican — International draughts game
  • Danpei — GTK+ based image viewer
  • Dans Guardian — flexible web content filter
  • DansTuner — Tells you if you are playing a pitch in tune
  • DariusTools — Scripts with higher performance than traditional command line tools
  • Dartool — Facilitates use of the dice.com job-hunting site
  • Dasher — Predictive text entry application
  • DataparkSearch — Web search engine
  • Dav — Stable, small text editor
  • DaveDAP — Engine to browse, search, and edit an LDAP server over the Web
  • DeSmuME — Nintendo DS emulator
  • DebSync — Synchronizes the packages installed on Debian machines
  • Debian Chinese panel — Chinese interface for Debian GNU/Linux systems
  • Debris — Lightweight text-based HTML browser
  • Debt Payoff Calculator — A program that calculates a debt payoff schedule.
  • Deduce — AI program which accepts natural language sentences as input
  • Deki Wiki — wiki and application platform
  • Delvj — Software for real-time 3D composition and algorithmic video remixing.
  • Democracy Player — A Bittorrent+RSS aggregator with video playback for watching Internet video.
  • Denemo — Graphical music notation program
  • Denu — Portage-based menu generator/editor
  • Desktop Drapes — A wallpaper management application.
  • DeuTex — DeuTex is a wad composer for Doom, Heretic, Hexen and Strife.
  • Devhelp — API documentation browser for GNOME 2
  • DiVinE — Distributed Verification Environment
  • Dia — GTK-based diagram drawing program
  • DiaSCE — Code editor for GNOME
  • Diakonos — A customizable, usable console-based text editor.
  • Diakonos — Console-based text editor
  • Diet Tracker — A set of programs to help you keep track of your diet progress.
  • Diet libc — Library for creating small, statically linked binaries
  • Digest — HTML index pages and image previews
  • Digital DJ — SQL-based mp3-player frontend
  • Dillo — Small, fast Web browser
  • Ding — Dictionary lookup program
  • Diogene87 —
  • Diogenes — Scripts for searching classics texts
  • DirList — User directory system that runs as a CGI
  • Directnet — Peer-to-peer instant messenger
  • Directory Administrator — Manages UNIX users and groups in an LDAP directory
  • Directory Analysis Tool — A tool to analyze LDAP-based directories.
  • Directory Link Button — A button to link to the Free Software Directory
  • DireqCafe — Software for running an Internet cafe
  • Dissent Project — A multimedia application with many features
  • Distcc — Distributes code compilation across a network
  • DivFix++ — DivFix++ is AVI Repair/Fix utility. Enables preview your avi files while downloading from ed2k and BT networks...
  • DjVuLibre — Distributes documents and images
  • Dlume — Simple, lightweight addressbook
  • DocFrac — Converts documents between RTF, TXT, and HTML formats
  • Dockboard — A powerful outline editor for authors of books, articles, and other works.
  • Docker — Displays system tray applications without a panel
  • Dokeos — Light, flexible elearning and course management system
  • Dolphin — ightweight HTTP proxy server
  • Domain hunter — A Simple Domain Monitoring Application
  • Dominion — Multi-player role-playing simulation
  • Doodle — Desktop search engine
  • Doorman — "Port-knocking" listener daemon which helps users secure private servers
  • Dope Wars — Make a fortune dealing drugs on the streets of New York
  • Dopi — Dopi is an application that allows you to update the songs stored on your Apple iPod
  • Dosage — Tool for managing Web-based comic strips
  • Doscheck — Utility to ensure that source names are distinguishable
  • Dox — Graphical documentation browser
  • Doxygen — Cross-platform documentation system
  • Dr genius — Interactive geometry program and calculator
  • DrPython — Simple editor for Python development
  • DrScheme — GUI Scheme development environment
  • Dragbox — A commandline drag-and-drop tool for GNOME.
  • DragonHunt — Dragon hunting game
  • Drall — Allows remote access to files without telnet or FTP
  • Drivel — LiveJournal client
  • Drupal — Content management/discussion/community engine
  • Duo — Free version of 'Uno'
  • DupeFinder — Finds, moves, renames, and deletes duplicate files
  • Duplicity — Incremental backup tool
  • Duro — Duro is a relational free and open source database library written in C. It is based on the principles laid down in the book Foundation for Future Database Systems: The Third Manifesto by C. J. Date and Hugh Darwen.
  • DynAlbum — A fully dynamic Web photo album and index generator.
  • Dynpet — A Tamagotchi-like game.
  • E-GADS — Database for managing search and rescue team information
  • ECB — Multilingual source code browser for Emacs
  • EICS — File integrity system
  • ELATE — extensible logging software
  • EMAN — 3D particle reconstruction package
  • EPM — Generates software and patch distributions
  • EPrints — Online information archiving system
  • ERC — IRC client for Emacs
  • ERW — Web interface for databases
  • EZtorrent — A BitTorrent publishing tool.
  • Earth3D — Visualizes the earth in realtime in a 3D view
  • Easy Firewall Generator — Web application that generates an iptables firewall script
  • Easy SVN Browser — An SVN browser that works with minimal software dependencies.
  • EasyTAG — Tag editor for MP3 and Ogg Vorbis files
  • Easymacs — Easy-to-learn configuration for new users of GNU Emacs
  • Echolot-pinger — Pinger for anonymous remailers
  • Eddi — Editor
  • Efax-GTK — GUI frontend for 'efax'
  • Efsane II — Window manager
  • Eggdrop — IRC bot
  • Ekiga — VoIP and video conferencing for GNOME
  • Electowidget — A library for adding elections to PHP apps.
  • Electric — CAD electrical circuit design system
  • Electrocardiognosis — Helps doctors make diagnoses from ECG readings
  • Elfelli Flux Line Simulator — A tool to simulate and visualize electric flux lines.
  • Elisa Media Center — A media center solution.
  • Elog — Electronic logbook with a Web interface
  • Enano — the content management system that grows
  • Enblend — Smooths out seams in panoramic images
  • EncFS — A FUSE-based encrypted virtual filesystem for Linux.
  • Endgame: Singularity — A simulation of a true AI. Survive, grow, and learn.
  • EnergyMech — An IRC bot with many features.
  • Engauge — Converts an image file showing a graph or map, into numbers
  • Enhanced CTorrent — lightweight and quick BitTorrent client
  • Epeios — A group of C++ libraries
  • Epeios CGI libraries — C library to help create CGI-based Web applications
  • Epiphany — Gnome Web browser
  • Epsilon — Strongly-typed omega-order programming language
  • Eqonomize! — A personal finance manager.
  • Eremove — Lets you view the contents of a mailbox on a POP3 server
  • Estraier — Full text search system
  • Ethereal Realms — A Web-based chat/gallery/social networking server.
  • Ethereal Realms — Web-based chat/role-playing system
  • Ethtool — Ethernet diagnostic and tuning tool
  • Euler — Program for computing with real and complex numbers and matrices
  • Eva — KDE based QQ instant messaging client
  • Eventum — Issue tracking system for managing incoming tech support requests or for organizing tasks and bugs
  • Evergreen — A library automation system intended and designed for large library consortia.
  • EveryGUI — A configurable, dynamic GTK+ GUI and designer for virtually any tool/OS command.
  • Evil Greg Vs. Eight Year Olds — An arcade game written in Python that utilizes Pygame.
  • Evince — Document viewer for Gnome
  • Evolution — GNOME mailer and PIM
  • ExactImage — A fast and generic image processing library.
  • Exaile — A media player aiming to have a simple interface yet many features.
  • Exhale — Exhale is a Freenet insertion client for Freenet 0.5 and 0.6
  • ExifTagger — A graphical editor for the EXIF tags of images.
  • Exim — Message transfer agent for Unix systems
  • Eximstate — Monitors Exim installations
  • Experimental Robotics Framework — C++ development tool for 3d applications
  • Exuberant Ctags — Reimplementation of the Unix ctags program
  • Eyes Of Lynx — A Web image viewer.
  • EzGallery — Image gallery application for sites that don't support PHP, ASP, or CGI
  • FAM — Notifies users when specific files or directories are changed
  • FAUS — Perl CGI script that user administer through a Web interface
  • FBReader — An e-book reader for GNU/Linux PDAs and desktop computers.
  • FET — Automatically schedules the timetable of a school or university
  • FFCall — Builds foreign function call interfaces in embedded interpreters
  • FFPF — Packet filter specifically designed for speed
  • FFpocket — A tool for using ffmpeg's features.
  • FUDforum — Templatable forum software
  • FUPlayer — A music manager/player/ripper/burner.
  • FVWM — Virtual desktop window manager
  • Fail2Ban — Fail2Ban monitors log files like /var/log/pwdfail or /var/log/apache/error_log and bans failure-prone addresses. It updates firewall rules to reject the IP address or executes user defined commands.
  • Falling Block Game — Block-stacking game
  • Faq-O-Matic — Automates the creation and maintenance of a FAQ
  • Fast File Search — Crawls FTP servers and SMB shares and stores the information it finds to a database
  • Fast Secure File System — A secure, distributed, scalable, user-space file system.
  • FastCST — Revision control system that uses digital signatures
  • Fax4CUPS — CUPS backend for a serial fax modem
  • Fdm — Creates lines that run around your screen
  • FeedCreator — Creates RSS feeds from within PHP
  • Festival Gaim — Hear GAIM incoming messages using voice
  • Fetchmail — Remote mail retrieval utility
  • Ffp — Free Film Project
  • Figura — CAD/CAM software whit a 3D sketcher built on a distributed architecture(CORBA).
  • FileManager — File, directory, and remote command management program
  • Filewatcher — Maintains a local file archive repository
  • Findutils — Tools to find files and to operate on groups of files
  • Fireparse — Reports on packets logged by a system's packet filtering subsystems
  • Firestarter — GNOME firewall tool for GNU/Linux
  • Firetero — A firewall for single workstations or servers.
  • Firewall Builder — Multi-platform firewall management software.
  • Fireworks — Simulates pyrotechnic explosions
  • Flames — Creates fractal flames
  • Flat File Extractor — Flat File Extractor
  • Fle3 — Server software for Web-based collaborative learning
  • Flinch — Link checker
  • Flounder — Visualizes 4D data
  • FlowerAttack — A KDE screensaver with OpenGL graphics.
  • Flowersol — Games, card sets, and game pieces from all over the world
  • Fltdj — PIM program
  • Flwm — Fast Light Window Manager
  • Flyspell.el — On the fly spell checker
  • Foocache — Simple caching system for PHP4
  • Foomatic — Printer/driver database of Linuxprinting.org
  • Foopanel — A desktop panel that is themable and extensible through plugins.
  • For Each File — Bash script wrapper for recursive file-system procedures
  • FormEntry — Generates an HTML interface for an SQL table.
  • Forum — Web-based groupware system
  • FramebufferUI — Small, fast in-kernel windowing system
  • Free Bangla Fonts — Project to create free, completely Unicode compliant Open Type Bengali fonts
  • Free Image Manipulator — Free Image Manipulator is multiplatform application to resize, convert and sign images.
  • Free Realty — An Open Realty fork.
  • Free Realty — Software to run a real estate office
  • Free V-AMP — Controller for the Behringer V-AMP2 guitar amplifier
  • Free-SA — Free-SA is tool for statistical analysis of daemons' log files
  • FreeDink — Free enhancement of the Dink Smallwood game engine
  • FreeJ — Tool for realtime video manipulation
  • FreeSnell — FreeSnell is a program to compute optical properties of multilayer thin-film coatings.
  • FreeVSD — Web hosting platform
  • FreeWRLDI — Input device driver for FreeWRL
  • Freeciv — Civilization-like strategic game
  • Freecycle — A beat slicer.
  • Frugal Windowing Environment — A user-space client-server framebuffer windowing environment.
  • Fsh — Replacement for ssh that automatically reuses ssh tunnels
  • Fslint — Finds redundant disk usage
  • Ftwalk — Scripting language
  • Fung-Calc — Graphing calculator
  • FunkyPlot — interactive plotting tool
  • Fyre — A program for interactive exploration of chaotic maps.
  • G-Kermit — File transfer program
  • G3DViewer — A a 3D file viewer.
  • GAG — Graphical boot manager
  • GAMGI — A program to build, view, and analyze atomic strucures.
  • GAUL — Library for programming applications using genetic algorithms
  • GCfilms — An application for managing a movie collection.
  • GCstar — A collection manager.
  • GDC — A utility to calculate compressible flow (Gas Dynamics Calculator).
  • GDIS — Software to display and manipulate isolated molecules and periodic systems
  • GDL — IDL compatible incremental compiler
  • GDSL — Routines for generic data structures manipulation
  • GEGL — A graph-based image processing framework.
  • GFLame — Is a GTK2 frontend for lame MP3 encoder
  • GFXIndex — Creates thumbnails and HTML files for a photo album
  • GForge — Collaborative development tool
  • GGZ Gaming Zone — Online gaming center and integration framework
  • GGv — Document viewer
  • GIMP — GNU image manipulation program
  • GIMP Dynamic Text — GIMP plug-in that modifies the text tool
  • GIST — Toolkit for designing interactive Web applications
  • GKsu — GTK+ frontend for 'su'
  • GL-117 — Action flight simulator
  • GLST — SMTP greylisting implementation
  • GMM — Guarded Memory Move
  • GMediaServer — A UPnP compatible media server.
  • GMime — Utilities for parsing and creating messages with MIME
  • GMonsters-Client — monster breeding game for Gnome
  • GMonsters-Server — monster breeding game for Gnome
  • GNADE — Project to create an Ada 95 development environment
  • GNOME CPUFreq Applet — Applet for CPU Frequency Scaling Monitor
  • GNOME Iconset Builder — A suite for generating icon themes for GNOME.
  • GNOME Schedule — A system schedule maintenance tool.
  • GNOME Sudoku — A generator and player for Sudoku puzzles.
  • GNOWSYS — Hybrid database server with a kernel for semantic computing
  • GNU Alive — Automatic login and keep-alive utility for Internet connections.
  • GNU Classspathx — Unfinished free implementation of the Java extension libraries
  • GNU Denemo — A GTK+2.0 musical score editor/Lilypond frontend.
  • GNU Edu — GNU Edu is an indexing system for educational resources
  • GNU Enterprise — Unfinished project to develop a complete ERP system
  • GNU Font Editor — Graphical font editor
  • GNU GRUB — GNU GRand Unified Bootloader
  • GNU MAC Changer — Is a utility to manipulate a MAC address
  • GNU Messenger — Secure messaging system
  • GNU POC — manages smartcard passwords
  • GNU Pipo — A GNU Bulletion Board System
  • GNU R — a language for statistical computing and graphics
  • GNU Smalltalk — Implementation of the Smalltalk object oriented language
  • GNU Solfege — Eartraining program for GNOME
  • GNU Songanizer — Script to organize a directory containing ogg and mp3 files.
  • GNU TeXmacs — Scientific text editor
  • GNU Visual Debugger — Graphical front end for debuggers
  • GNU Waveform Viewer — Gwave is a waveform viewer.
  • GNU eev — Emacs support for e-scripts
  • GNU robots — Real-time game
  • GNU sauce — Anti-spam server
  • GNU xhippo — A GTK-based playlist manager for various UNIX sound players.
  • GNU.FREE — Internet voting system
  • GNUCash — Personal and small business money-management software
  • GNUData — GNUData is a system of storage of information
  • GNUMP3d — A light-weight audio server
  • GNUMail — Mail client for GNUstep
  • GNUbik — 3D Rubik's cube game
  • GNUcap — A general purpose circuit simulator
  • GNUitar — Real-Time Guitar Processor
  • GNUjump — SDLjump 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.
  • GNUs — Emacs newsreader
  • GNUsTicker — gnusticker
  • GNotary client — A GUI client for the GNotary digital notary service.
  • GOB — GTK+ preprocessor
  • GOOPS — Object-oriented extension to 'guile'
  • GOffice — A Library for Office Software Development
  • GPGME — GnuPG Made Easy
  • GPSBabel — Converts waypoint data between various formats
  • GPSMan — Is a graphical manager for GPS data. It works with Garmin, Lowrance, and Magellan receivers.
  • GPass — Password manager for GNOME 2
  • GPeriodic — Periodic table application
  • GPixPod — Organize photos on your iPod, freely!
  • GPuTTY — PuTTY clone for Gnome
  • GQradio — A radio tuner application.
  • GROMACS — Simulates molecular dynamics
  • GROUP-E — integrates groupware, project management and business server on one platform.
  • GRhino — An Othello/reversi with strong AI.
  • GRot13 — GUI interface to rot13
  • GSpeakers — Loudspeaker design kit
  • GSsh — GNOME frontend for ssh
  • GTK Photo Gallery — An application that manages photograph collections.
  • GTKPBButtons — A visualisation client for PBButtonsd.
  • GTKWave — GTKWave is a GTK+ based wave viewer which reads LXT, LXT2, VZT, and GHW files as well as standard Verilog VCD/EVCD files.
  • GTKpas — Object oriented binding to GTK for FreePascal
  • GTKtalog — Organizes and browses a CD-ROM database
  • GTelnet — GNOME frontend for telnet, rlogin, and ssh
  • GTray — Checks the status of a GMail account
  • GUJ Chat — Chat server management system
  • GUSS — Hardware simulator for debugging
  • GWorkspace — GNUstep workspace manager
  • Gabber — Jabber client for GNOME
  • Gaim-e — Encryption plug-in for gaim
  • Galculator — Scientific calculator
  • Galeon — Web browser
  • Galette — Manage members and contributions for societies and groups
  • Gallery — Web-based photo album
  • Gallery.py — Makes static picture galleries
  • Gambit — Tools for game theory
  • Gammu — GSM mobile manager for various cellular phones (Nokia, Siemens, Alcatel, others)
  • GanttPV — Createa project schedules, assigns resources, manages workload, and prioritizes follow up items.
  • Gaphor — Gaphor is an easy to use modeling environment
  • Garlic — Bookmark manager that does not require a separate database
  • Garpd — GNU Gratuitous ARP Daemon
  • Gbonds — U.S. savings bond inventory program
  • Gcal — Is a program for calculating and printing calendars, and is the GNU implementation of the universally known cal and calendar programs.
  • Gcalctool — Desktop calculator with basic, financial, and scientific modes
  • Gcompressor — GUI frontend for decompression tools
  • Gcompris — Educational suite for children from 2 to 10
  • Gdb — GNU Debugger
  • Gdeditor — Text editor
  • Gdm — GNOME version of xdm
  • GePhex — Modular video jockey software
  • GeSHi — Generic syntax highlighter for PHP
  • Geany — A fast and lightweight IDE using GTK2.
  • GeboGebo — Wiki system
  • Gedit — Lightweight text editor for GNOME
  • Geek Credit — p2p secure complementary currency
  • Geiriadur — Dictionary lookup engine and a dictionary editing system
  • GenChemLab — Simulates general chemistry laboratory exercises
  • Generic Coloriser — Colorises files or output of commands
  • Generic NQS — Batch processing system
  • Genetic Algorithm File Fitter — A file filter powered by a genetic algorithm.
  • Geneweb — Genealogy software
  • Genius — Arbitrary precision integer and multiple precision floating point calculator
  • Geniustrader — Toolbox for systematic stock trading
  • GeoTIFF Viewer — A viewer for GeoTIFF files.
  • Gestalter — Vector drawing program
  • GetDP — Finite element solver
  • Getleft — Downloads all links from a particular URL
  • Gewels — Gewels is a version of Jewels game for Gnome
  • Gfslicer — Splits and joins files for removable media
  • Ggradebook — Fully-featured GNU gradebook
  • Ghostview — Graphical front end to Ghostscript
  • GiNaC — Open framework for symbolic computation within C++
  • Gifsicle — Tool for manipulating GIF image files
  • Gimmage — A simple image viewer that supports command line operation.
  • Gimmix — Gimmix is a graphical music player daemon (mpd) client written in C using GTK+2.
  • Gimp Text Colorer — Colorizes text
  • Gimp-print — Print plug-in for the GIMP and GhostScript driver for Epson printers
  • Gina — Modified version of the Zina MP3 streamer/jukebox
  • Gip — Makes IP address-based calculations
  • Giptables Firewall — Scripts to generate iptables rules for Linux 2.4.x and newer kernels
  • Gitarella — A Web frontend for GIT.
  • Gizmo Daemon — A program to control a computer in any way based on events from input devices.
  • Glabels — Label and business card program for Gnome
  • Glade — A user interface builder for GTK+ and Gnome
  • Glade-- — Backend for glade to create C++ sources
  • Glibench — GliBench SMP is an SMP enabled benchmark for testing you computers performance.
  • Gliv — OpenGL image viewer
  • Globulation 2 — A multiplayer RTS that reduces micro-management.
  • Glossword — Dictionary management system
  • Gmmusic — Database frontend to organize a music collection
  • Gmsh — 3D finite element mesh generator with built-in CAD and post-processing facilities
  • Gneutronica — Is a MIDI drum machine.
  • Gnickr — Software that integrates Flickr with Gnome.
  • GnoRPM — Front end for the Redhat package management system
  • GnoTime — To-do list track and project timer with built-in invoice generator
  • Gnobog — Bookmark organizer
  • Gnochive — GUI frontend for multiple archivers
  • Gnome — The GNU desktop
  • Gnome Games — Gnome Games is a collection of games for the GNOME desktop
  • Gnome ICU — Internet communication utility
  • Gnome Netstatus — Monitors and reports on your network interfaces
  • Gnome Predict — A real time satellite tracking program for GNOME.
  • Gnome SSH Tunnel Manager — A front-end for managing SSH-tunneled port redirects.
  • Gnome Screen Ruler — A customizable screen ruler for GNOME.
  • Gnome Simple Stateful Music Player — A simple music player for GNOME.
  • Gnome Swallow — Swallow any X program into the GNOME 2 panel (especially useful for dock apps).
  • Gnome VFS — Lets applications access various filesystems
  • Gnome Wireless Applet — Tool for managing wireless network cards
  • Gnome Workstation Command Center — GUI interface to the command line
  • Gnome commander — File manager
  • Gnome-find — GUI version of the GNU 'find' utility
  • Gnome-pilot — Daemon for pilot synchronization
  • Gnome-print — GNOME printing architecture
  • Gnome-python — Interfaces to gnome-libs
  • Gnome-utils — Utilities/apps for use with GNOME
  • Gnomemm — C++ binding for the GNOME libraries
  • GnomerMind — MasterMind-type puzzle game for GNOME
  • Gnomoradio — Finds, fetches, shares, and plays music that is freely available for file sharing
  • Gnopernicus — Screen reader for GNOME desktop
  • Gnotepad+ — HTML and text editor
  • Gnu 8085 Simulator — A graphical 8085 simulator and assembler with a debugger.
  • Gnu Gadu 2 — Modular instant messaging client
  • GnuPG::Interface — An object-oriented Perl interface to GnuPG.
  • Gnumeric — Math program intended to replace commercial spreadsheets
  • Gnuzilla / IceCat — GNU version of popular web browser
  • GoSamba — SAMBA WebGUI A set of PHP/PERL-scripts to manage SAMBA over the web
  • Gobby — Collaborative Editor
  • Goggles Music Manager — A music collection manager and player.
  • Good Weather Desklet — A weather/forecast desklet for GNOME.
  • Gorm — Graphic Object Relationship Modeler
  • Gossip — Instant messaging client for Gnome
  • Gpdf — PDF viewer for Gnome
  • Gphotocoll — Tool for visualizing and classifying images and photos
  • GproFTPd — GNOME frontend for the ProFTPD server
  • Gpsui — Runs processes from the desktop
  • Gq — GTK-based LDAP client
  • Grace Library — a C++ library/enhancement
  • GradeL — A gradebook application.
  • Grammatica — C# and Java parser generator
  • Gramps — Genealogy program
  • GraphMonkey — Is a GTK#-based graphing calculator
  • Gravit — An OpenGL gravity simulator.
  • GreenT — A terminal emulator with tabs written in C#.
  • Greenwich — Whois client for GNOME
  • Greg — Software testing framework
  • Gri — Scientific graphics language
  • Grig — GUI for the Ham Radio Control Libraries
  • Grip — GNOME-based CD player, ripper, and MP3-encoder
  • Grubconfig — Helps install the GRUB bootlaoder
  • Grutatext — Plain text to HTML converter
  • Gspoof — Facilitates building and sending TCP packets
  • Gswitchit — Xkb state indicator
  • Gsysinfo — System monitor for the GNOME panel
  • Gtetrinet — Clone of the Tetrinet game
  • Gtk-IPTables — A GTK-based frontend for iptables written in C.
  • GtkLP for CUPS — A frontend for printing with CUPS.
  • Gtkdialog — GUI creation utility
  • Gtkeyboard — Graphical keyboard
  • Gubby — Tracks where and when procmail delivers your mail
  • Guido von Robot — Simple computer language to help students learn programming
  • Guifications — Adds notification windows to Gaim
  • Guile-gnome — Helps Scheme programmers develop visual applications
  • GutenPy — A text reader and catalog browser for Project Gutenberg.
  • Gweled — A Bejeweled/Diamond Mine clone for Gnome
  • Gwine — GNOME wine cellar manager
  • Gwyddion — An SPM data analysis program.
  • H2O Rotisserie — Online discussion system
  • HASAS — HydroAcoustic Signal Analysis System
  • HAproxy — TCP/HTTP load balancer
  • HSpell — Hebrew spell-checker and morphology engine
  • HTML::GenToc — Creates a table of contents for HTML documents
  • HTMLatex — On-the-fly rendering of latex source in HTML documents
  • HTTP-Replicator — Replicating HTTP proxy server
  • HTTrack Website Copier — Offline browser utility
  • Hackers — Lets you switch between various NetHack characters
  • HamTest — Creates ham radio text exams
  • HapCluster++ — An MCMC based statistical tool for association mapping.
  • Harminv — Extracts frequencies and decay rates from a time series
  • Hashed Text Utilities — Reimplementations of comm, diff, uniq, and cksum
  • Hashish — Graphical file or string hashing utility
  • Hashit — Library of generic hash tables
  • Header Browser — Creates documentation from C/C++ header files
  • Hearse — Lets you automatically exchange nethack 'bones' files
  • Hebcal — Hebrew calendar
  • Hebrew Editor — Lets users create and edit Hebrew/English LaTeX documents
  • Heh — Opens files based on filename extension
  • Height Map Generator — Terrain map generator
  • Help2man — Generates manual pages from program files
  • Hierarchical Notebook — Organizes different kinds of data in one place
  • Highlight — Source code to HTML, XHTML, RTF, TeX, or LaTeX converter
  • Hipo — An application to manage the data of your iPod.
  • Hldfilter — E-mail filter
  • Hogwash Light BR — An IPS that can filter packets in layer 2 of the OSI. It is a firewall element.
  • Honeyd — Creates virtual hosts on a network
  • Hugin — Cross-platform GUI for Panorama Tools
  • Hybrid Share — Is a user friendly application that allows you to share files and talk instantly with your friends.
  • Hypermail — Converts mail into HTML pages
  • ICBM3D — 3D vectord-based "Missile Command" game
  • IMDbPY — Lets users access IMDB using a Python package
  • IMMS — Intelligent playlist plug-in for XMMS
  • IOsity — Lightweight content management system
  • IP Accounter — IP accounting package
  • IP Sorcery — TCP/IP packet generator
  • ISCII — Analyzes text files according to the Indian national standard
  • IceWM Control Center — Tools for configuring the Ice window manager
  • IceWm Control Panel — GTK-based control panel for IceWM
  • Idutils — Tools for indexing
  • Ifmail-tx — Fidonet transport and gateway
  • Ikaros — Framework for writing and running simulators
  • Ilias — Web-based training application
  • Ilohamail — Lightweight, multilingual Webmail client
  • Incollector — Tag based notetaker
  • Indent — C source beautifier
  • Independent Coffeeshop Access Manager — A user manager for the NoCat wireless/wired authentication manager.
  • Inetutils — Collection of common network programs
  • InfoCentral — Membership tracking software
  • Ingres — Enterprise SQL DBMS with QUEL as a second language and having OpenXA distributed transactions.
  • Inquisitor — Inquisitor is a visual Site Ripper/Offline Browser to select and download images shown as thumbnails in a specified destination directory.
  • InstantRSS — Generates an RSS feed from a Web page
  • Integrating Modelling Toolkit — Comprehensive system modelling toolkit
  • Integrit — Intrusion detection system
  • Interchange — Free web-based application server, mostly used for e-commerce
  • Internet Junkbuster — Blocks unwanted banner ads and cookies
  • Invasores — Game engine for simple games
  • Irc-Scroller — A dynamically updating, simple, Web-based IRC log viewer.
  • Isdnserver — Decodes hex values provided by ISDN channels
  • Ishmail — Graphical mail reader for UNIX systems
  • Isisdial Java — Generates telephone tones via your computer's sound device
  • IsoQlog — Mail log analysis program
  • Istanbul — Record your desktop session
  • IzPack — Java installer builder
  • JBIG-KIT — Implements a data compression algorithm for high-res images
  • JUCE — C++ class library for developing cross-platform application
  • Jacal — Mathematics program
  • Jacksum — Checksum utility written in Java
  • Jade — Emacs-like text editor for X11
  • Jalmus — Education software for music sight-reading
  • Jaron — Text mode screen saver
  • Java Brainfuck compiler — Brainfuck to Java bytecode compiler
  • JavaDICT — Server for the DICT protocol
  • Javachecker — Performs static analysis for Java source file
  • Jaxml — Automatically generates XML documents
  • JedABC — IDE for ABC music notation language files
  • Jest — Is a software project estimator.
  • Jinzora — Web based media jukebox and streamer
  • Jlint — Java debugger
  • Job Scheduler — Automates executable files, shell scripts, and database procedures.
  • Jobtracker — Tracks completed and ongoing work
  • John the Ripper — Detects weak passwords
  • Jokosher — Multi-track Audio Editor
  • Jpegpixi — JPEG pixel interpolator
  • Jugtail — tool for getting menu information from various gopher servers
  • Junicode — a Unicode font for medievalists
  • K Load Applet — Displays system load
  • K-3D — 3D modeling and animation system
  • K-Yamo — A CD ripper and tagger for MP3 and Ogg Vorbis files.
  • K3b — CD/DVD burning tool for KDE
  • KAlarm — An alarm message, command, and email scheduler for KDE.
  • KBabel — Tools for working with gettext PO files
  • KCAPTCHA — A visual human validation tool.
  • KCDLabel — Creates labels, covers, and booklets for CD cases
  • KDE — Graphical desktop environment
  • KDE Accessibility — Assistive technologies for the KDE desktop
  • KDEVisualBoyAdvance — A VisualBoyAdvance front-end.
  • KDEnlive — A non-linear video editor
  • KDevelop — C/C++ development environment for KDE
  • KDiff3 — Compares different text files
  • KDocker — Put any program into the notification area
  • KEuroCalc — Currency converter and calculator
  • KFLog — Displays aeronautical charts
  • KFuseIso — KDE integration for fuseiso.
  • KKBSwitch — Keyboard layout indicator for KDE 2 and 3
  • KLearningAid — Pops up KVTML file items on the desktop
  • KLone — Embeddable web server and SDK to write dynamic HTML pages using C/C++
  • KMAGO — KDE-based download manager
  • KMail — KDE email client
  • KMediaFactory — A template-based DVD authoring tool.
  • KMess — An MSN Messenger-compatible chat program for KDE.
  • KMobileTools — A KDE application to manage mobile phones.
  • KMol — Chemical calculator for the KDE
  • KMush — A KDE MU* client.
  • KOffice — Office suite for KDE
  • KPodder — A podcast program for KDE.
  • KPreg — Helps complete Web forms and other applications
  • KShutDown — An advanced shutdown utility for KDE.
  • KSqlAnalyzer — tool for accessing SQL data
  • KSquirrel — An image viewer for KDE
  • KTorrent — BitTorrent client for KDE
  • KTouch — Touch typing program for KDE
  • KTranslator — A dictionary application for KDE.
  • KVirc — IRC client
  • KVortaro — A tool to translate words from one language into another.
  • KWappen — KDE3 board game
  • Kajaani Kombat — Multiplayer online game
  • Kalcul — Interactive math game for ages 8-15
  • Kalendae — Coverts modern dates to ancient Roman ones
  • KalleLoad — Is a upload system developed in PHP.
  • Kana no quiz — A tool to memorize Japanese kana (hiragana & katakana) pronounciation.
  • Karchiver — KDE utility for working with compressed files
  • Karra — A Web-based digital library system.
  • Karrigell — Web programming software
  • KatchTV — A KDE-based Internet TV subscription/downloading/watching (podcatcher).
  • Katoob — A light-weight, multilingual text editor.
  • Kazehakase — Yet another GTK+2 based Web browser.
  • Kbillar — Billiards game
  • Ketchup — A tool for updating or switching between versions of the Linux kernel source.
  • Kexi — Kexi is an integrated visual environment for managing data competing with Microsoft Access.
  • Kiba-Dock — is a dock replacement
  • Kidwai — Clinical laboratory management system
  • KildClient — A powerful MUD client with a built-in Perl interpreter.
  • Kinkatta — AOL instant messenger for KDE
  • Kino — Non-linear digital video editor
  • Kisdnmonitor — KDE applet for 'isdnserver'
  • Kkeyled — Displays the LED states of the keyboard
  • Klavaro — Typing tutor program.
  • Kmplot — Plots mathematical functions
  • KmusicdB — A music collection manager for KDE using PostgreSQL.
  • Knetfilter — KDE frontend to iptables
  • Knocker — Port scanner
  • KnowledgeRoot — A knowledge base system.
  • Koha — Is a integrated Library System
  • Komics — Panel applet for managing daily comic strips
  • Konch — A versatile KDE system tray proxy for scripts.
  • Konqueror — Web browser
  • Kover — CD cover printer
  • Kpasman — Password manager for KDE
  • Kpl — Two- and three-dimensional graphical presentation of data sets and functions
  • Kpoker — Video poker game
  • Krecipes — A KDE recipe tool.
  • Kricket Scoreboard — Keeps scores of cricket matches
  • Kronophobia — Event-based school calendaring system
  • Krusader — KDE twin-panel file manager
  • Kstars — Desktop planetarium for KDE
  • Ksymoops — Kernel oops and error message decoder
  • Ktexmaker2 — LaTeX source editor and TeX shell for KDE2
  • Kuartet Desktop — A visually appealing, easy to use desktop built upon KDE.
  • Kvrd — DVR card controller
  • Kxparse — Lightweight XML parser
  • LAMP Accounts — LAMP based day to day business management software.
  • LCD4Linux — Displays information on an external LCD
  • LDView — A 3D Lego viewer.
  • LINeup4 — a "connect4" game that uses a terminal interface
  • LJChk — Script for working with LiveJournal servers
  • LOVD — LOVD stands for Leiden Open (source) Variation Database.
  • LTris — Tetris clone
  • LZMA Utils — gzip-like tool with a zlib-like library
  • LZO — Lossless data compression library
  • LZPX — LZPX is a fast and powerful file compressor.
  • LaTeX — Typesetting system
  • LaTeX CD class — Prints CD covers with LaTeX
  • Lahelper — GUI for LaTeX
  • Lamprop — Calculates properties of fiber-reinforced composite laminates
  • Laplock — A system for locking your computer using a media card.
  • Latex2slides — Produces HTML/JPEG slides from a TeX or LaTeX source
  • LavaPE — Programming environment for the Lava language
  • Lazy — Console-based CD-Player with FreeDB support
  • LazyFTP — Syncs local and remote files
  • Le editor — Terminal text editor
  • Leet-Generator — Is a program to convert plaintext to leettext.
  • Legal Case Management — System to organise follow-ups of legal cases or consultation, including client consultations, court events and reporting.
  • Legal Case Management System — A legal case management system for not-for-profit legal advice centers.
  • Lftp — FTP client
  • LibGTop — Library that provides system information
  • LibRadtran — Calculates solar and thermal radiation
  • LibTMCG — LibTMCG is a C++ library for creating secure electronic card games.
  • Libmng — Animation reference library
  • Libping — Makes ICMP_ECHO requests from a script or program
  • Librep — A shared library Lisp dialect interpreter
  • Libtour — Generic tournament processing library
  • Libtrash — Implements a "trash can" under GNU/Linux
  • Licq — ICQ Clone
  • Liferea — RSS/RDF news aggregator
  • Lightfeather — A 3D engine
  • LiliBoggie — A Boggle-like words game.
  • Lilypond — Music typesetter
  • LimeSurvey — Is a Online Survey Tool, which was known until May 2007 as PHPSurveyor.
  • Link Checker — Checks for broken links
  • LinkBrowser — Downloads a file referenced by an HTML link
  • LinkCheck — Automatically checks for broken links
  • LinkGrammar-WN — A lexicon expansion for the Link Grammar Parser.
  • Links — Web browser
  • Linphone — Web phone package
  • Lintouch — An HMI (Human Machine Interface) system.
  • Lintouch-Runtime — Client portion of a visual control center software suite
  • Lintouch-Server — Visual control center software suite
  • Linux Bandwidth Arbitrator — Helps network admins control bandwidth
  • Lire — Log analyzer
  • Little Black Book — An interactive contact manager.
  • LiveJournal — Code to run a Web journal/Weblog site
  • Lm_sensors — Utilities to monitor temperatures, voltages, and fans
  • Lmule — A GNU/Linux port of the eMule file sharing client.
  • LoGS — Common Lisp log analysis software
  • LogJam — Client for LiveJournal-based online journaling sites
  • Loggerithim — System monitoring package
  • Logrep — Collects and presents information from logfiles
  • Loopess — Loop library
  • Loquacity — A simplified blogging application.
  • Lost Cities — Card game for two players
  • Loudhailer — A small and simple music player for the GNOME desktop.
  • Loukotka — A tool for making online slide shows.
  • Lush — Object-oriented Lisp interpreter and compiler
  • Lx-Office — A Web-based accounting system customized for German needs.
  • LyX — Document processor.
  • MDR — Multifactor Dimensionality Reduction
  • METRo — Model of the Environment and Temperature of Roads
  • MHonArc — Converts e-mail messages to HTML
  • MICO — Free CORBA implementation
  • MIRO DC +1 — Driver for the MIRO VIDEO DC1 (plus) mjpeg grabber/display ISA card
  • MIT Photonic Bands — Computes photonic band structures
  • MLKit — Compiler for the Standard ML programming language
  • MLView — XML editor for GNOME
  • MLdonkey — Multi-network file sharing client
  • MP3 Splitter — A tool to split MP3s into manageable sizes.
  • MP3do — Script for decoding and mastering mp3s
  • MP3val — A tool for validating and fixing MPEG audio files.
  • MPCA — Data analysis software intended for large data sets
  • MPEG Menu System Version2 — A menu system.
  • MQS — Minimalist queueing system
  • MToolsFM — GUI frontend for 'mtools'
  • MaCollec Collections Manager — An AJAX-powered collections manager for your Web browser.
  • MaPiVi — A cross-platform picture manager/organizer.
  • MacSlow's Cairo-Clock — An analog clock using Cairo for its rendering.
  • MagicRescue — Scans for and extracts certain files types
  • Mail Notification — A status icon (aka tray icon) that informs you if you have new mail.
  • Mail2chart — Generates statistical charts from e-mail
  • MailManager — Tool for managing large volumes of email
  • MailNotification — Icon that tells you if you have new mail
  • MailScanner — Virus scanner, vulnerability protector, and spam tagger
  • Mailbox Copy — Tools for copying/archiving email
  • Mailbox Sweeper — Deletes email messages without downloading them
  • Mailcrypt — Interface to GnuPG
  • Maildrop — Email filter and delivery agent
  • Mailfilter — Gets rid of spam in POP mailboxes.
  • Mailfront — Customizeable frontends for mail servers
  • Mailman — Manages discussion lists
  • MakeXS — Build system based on GNU make and GNU m4
  • Make_uninstall — Monitors and records installations
  • Makecheque — Print bank cheques, possibly adding MICR codes.
  • Maketool — GTK frontend for GNU make
  • MaklerPlus — A Web-based application for real estate business.
  • Mambo — Content management tool
  • Man — Man page suite used to read GNU/Linux documentation
  • Mangle — Removes formatting and/or comments from source code
  • Manslide — A tool for generating slideshow.
  • Mars — Network status monitor
  • Matew — Valid HTML/CSS generator for static image albums
  • MathGL — Library for making various scientifc graphics in platform independent way. It may use OpenGL or directly write to vector PostScript or bitmap files.
  • MathStudio — Equation editor and math engine
  • MatrixSSL — Is an embedded SSL implementation.
  • Maxima — Computer algebra system
  • Mbuni - Multimedia Messaging Server (MMSC) — Mbuni functions as a Multimedia Messaging Service Centre (MMSC)
  • McStas — Neutron ray-trace simulation application
  • Mdadm — Tool for creating, maintaining, and monitoring "md" device arrays
  • MediArchiver — A Web-based media archiver.
  • MediaSort — A tool for indexing, sorting, and renaming files with metadata attributes.
  • MediaWiki — Free software wiki engine used by Wikipedia
  • Medit — Is a multiplatform GTK text editor.
  • Mednafen — A multi-game-system emulator that uses OpenGL.
  • Meep — finite-difference time-domain (FDTD) electromagnetic simulations
  • Melting — Nearest-neighbor compilation of nucleic acid hybridation
  • Menc — A GUI to encode with MEncoder and transcode.
  • Mercury — Logic/functional programming language
  • MeshLab — Is a portable and extendible system for the processing and editing of unstructured 3D triangular meshes.
  • MessageWall — SMTP proxy
  • Metacity — Window manager
  • Metadot Portal Server — Web site building software
  • Metahtml — Programming language for the Web
  • Metamorphose File -n- Folder Renamer — A mass file renaming program.
  • Metro — Evaluates the difference between two triangular meshes
  • Mfinance — Scripts for personal finance management
  • MiG — Photo album/image gallery manager
  • Miau — IRC bouncer
  • Mibble — SNMP MIB file parser library
  • Mice — Server designed for use with a home network
  • Micro Window-Gadgets — A lightweight windowing toolkit for C and X11.
  • MiddleMan — Filtering proxy server
  • Mimerdesk — Web-based groupware environment
  • Mimetic — MIME library written in C++
  • MinDIA — Creates and presents multimedia slide shows
  • Minnow — A Web-based PDF discussion engine.
  • Minorfish — Simple list manager
  • MirrorMed — EHR and Practice Management System software
  • MisfitModel3D — OpenGL-based 3D model editor
  • MissingH — Utilities for Haskell programmers
  • Mixxx — Digital DJ system
  • Mkrdns — Automates changes to DNS zone files
  • Mll2html — Converts a mailing lists file to an HTML file
  • MoSSHe — A lightweight, secure server monitoring system.
  • Modutils — Kernel utilities
  • Moleskine — Source code editor for the GNOME desktop
  • Mondo Rescue — Disaster recovery suite
  • Monfarm — Monitoring system for server farms
  • Monkey HHTP Daemon — Small and fast Web server
  • Monster Masher — Action game for Gnome
  • Mony — ICMP monitoring tool
  • Moosic — Playlist manager
  • Moregroupware — Groupware package that includes most standard modules
  • Motion — Motion detecting device
  • MouseClick — Ergonomic software that clicks the mouse for you
  • Mouth Online Encoding — A Web application frontend to collections of FLAC files.
  • Mozart — Framework for compiler development
  • Mp3Kult — KDE 2 app that organizes an mp3 collection
  • Mr. Voice — A Perl/Tk front-end for an MP3 database.
  • Msetimon — Multi-SETI@home Monitor
  • Msmtp — SMTP client that can be used as a plugin for MUAs
  • Mtp Target — a multi-player online action game
  • MudMagic — MUD client written in GTK
  • Mule — Multilingual text editor for Emacs
  • Multi Gnome Terminal — Enhanced version of gnome terminal
  • Multi Stream Editor — Is a stream editor for texts and binary data
  • Multi-Cursor Window Manager — A window manager which lets people interact simultaneously on a shared desktop.
  • Multi-Threaded DAAP Daemon — An iTunes DAAP server.
  • MultiCD — Backs up a large number of files to multiple CDs
  • MultiGet — Graphical download manager
  • Multiplication Challenge — Children's quiz game that randomly asks multiplication questions
  • Multiscan — Console portscanner
  • MusiXTeX — Music typesetting software
  • Muxi — A TV application for DVB.
  • My SQL Navigator — MySQL database server GUI client program
  • My Server — Web server designed for inexperienced users
  • My Voting Script — Polling mechanism for a Web page
  • My cOLLection manager — A text-based, easy to use database frontend for gdbm or Berkeley DB.
  • MyBlog — Blog that automatically handles advanced features for the user
  • MyCalendar — Lightweight, Web-based calendar
  • MyClassifieds — Perl CGI implementation of online classifieds
  • MyClient — Web client interface for MySQL
  • MyLibrary — Portal to collections of Internet resources designed for use in public libraries
  • MyOrgBook — Online organizer
  • MySQL — Relational database management system
  • MySQL Backup — Backs up databases
  • Myleague — Maintains soccer league data
  • MythTV — A multi-function PVR
  • Métamorphose FnFR — Is a mass renaming program combining great flexability with an intuitive interface.
  • NEdit — Text editor
  • NNFS — Lets users have the same files on multiple computers
  • NSBD — Automated software distribution system
  • NSound — C++ API for audio synthesis.
  • NX — Libraries and X11 proxying agents for low-bandwidth compression and transport
  • Naim — Ncurses based AIM client
  • Nana — Library for assertion checking and logging in GNU C/C++
  • Narim — File-name encoding converter
  • Natural Docs — Multi-language, source code documentation generator
  • Nautilus — File manager and graphical shell
  • Nazghul — an old-school RPG engine
  • Ne — Small, fast text editor
  • NetCPR — Restores network services after remote connections have been killed
  • Netcat — Reads/writes data across network connections
  • Nettle — Cryptographic library
  • NetworkControl — Controls and monitors network interfaces
  • Neural Network Framework — simulate and analyze arbitrary complex neural networks
  • Neverball — Cross between the puzzle and arcade game genres
  • NewsCache — Cache server for USENET News
  • NewsDeliver — NNTP to email gateway
  • Newsbeuter — RSS feed reader
  • Newsd — News server for private newsgroup on a single server
  • Newspipe — RSS/Atom aggregator using email
  • Newsstar — Downloads and posts news
  • Nexuiz — Nexuiz is a 3d deathmatch game project, created online by a team of developers called Alientrap.
  • Nget — Command line NNTP file grabber
  • Nightfall — Simulate eclipsing binary stars
  • Nihongo Benkyo — Japanese dictionary and language learning tool
  • Nikwi — A platform/arcade game where you play the role of a young boy that has to collect all the candies in each of the 30 included levels.
  • Nixstaller — A utility to easily create user friendly installers on UNIX like systems.
  • Node runner — Connects network nodes in a certain order
  • Nodplot &md