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Projects licensed under GPLv2

  • 3D Battle Go — 3d arcade version of the ancient Chinese game Go
  • 3D Pong — A vector-based ball-bouncing game for X-Window
  • 3dFB — 3D file manager and browser
  • A+ — Programming language (APL interpreter)
  • ACL2 — Programming language for modelling computer systems and proving properties of those models
  • ACal — Simple Web-based calendar
  • AFD — Automatically distribute files
  • AIDE — Intrusion detection system
  • AJAX Book Reader — A Web application for displaying large texts one page at a time.
  • AMaViS-ng — Searches attachments and archives for malicious code
  • APSR — TCP/IP packet sender to test firewalls and other network applications
  • APing — advanced ping program written in python that can make four type of ICMP probes
  • ASCEND — A flexible modelling environment for hard engineering and science problems.
  • AVFS — Lets programs look at archived files without having to recompile them
  • AWOL — In/out board
  • Abook — Addressbook program
  • Absence — Calendar for keeping track of people
  • Absolut Engine — Advanced news/content publishing system
  • AbsolutePunch — Virtual implementation of a mechanical timeclock
  • Abuse — Shoot-'em-up game
  • Achievo — Web-based project management and tracking tool
  • Acon — Displays Arabic text
  • Acovea — Compiler optimization tool
  • Active — Free groupware
  • Ada Components — Toolset for Ada
  • AdaDoc — Documentation tool for Ada
  • Addendat — Blogging program that can be updated from either a CGI or shell interface
  • Advance — Personal information management (PIM) system
  • AfterStep Clock Applet — Clock
  • Agatha — A simple PHP script for streaming music and playlists with Apache.
  • Agendaroids — A simple vector-based asteroid-shooting game
  • Airs — check for new TV episodes
  • Alarm Pinger — Monitors IP devices by ICMP echo requests
  • Alfandega Firewall — Implements iptables-based firewalls
  • Aliaslu — Looks up email addresses in an NIS map
  • Aliens — Alien-shooting game for X-Window
  • Alist — Collects and stores information about systems
  • AllCommerce — E-commerce/content application
  • AllTray — Software for docking any program.
  • Ampache — Apache/PHP-based MP3/Ogg file manager and player
  • Anguly Mail Client — A lightweight Mail Client written in C and Gtk+
  • Anti-Web httpd — Single-process Web server
  • Anubis — Processes outgoing mail
  • Apophenia — Statistics library for C
  • Archive — Drag-and-drop multi-format archiver
  • Ardour — A multitrack, multichannel audio recorder/non-linear editor.
  • ArgusEye — A GUI for the Argus network auditing suite.
  • Aria — Download tool with GUI that can pause, resume, and queue downloads
  • Arping — ARP level ping utility
  • Ascii — Prints an argument in various ASCII formats
  • Asterisk Managment Portal — A turn-key SMB phone system based on The Asterisk PBX, complete with Web GUI.
  • Astroconst — Makes header files that define astrophysical constants
  • Atlc — Package for designing and analyzing electrical transmission lines and directional couplers
  • Atool — Script for managing file archives
  • Aub — Downloads and decodes articles from newsgroups
  • Audacity — Audio editor
  • AutoDia — Creates XML diagrams
  • AutoProfile — Profile Manager Plugin for Gaim
  • Autoproject — Creates a skeleton source package for a new program
  • Autotable — Automates maintaining a set of SQL tables
  • Autothrottle — Adjusts CPU according to the system load
  • Averist — Adds an authentication layer to any CGI application written in Perl
  • BBrun — Run window for Blackbox
  • BIEW — Is a multiplatform portable viewer of binary files with built-in editor in binary, hexadecimal and disassembler modes. It uses native Intel syntax for disassemble.
  • BIF — PHP framework for Web application development
  • BIRD — Dynamic routing daemon
  • BIRT — Resizes multiple images at once
  • BMI — Calculates body mass index
  • BRL — Language for server-side Web applications
  • BYLD — Helps users build a mini distribution
  • Babylon — Lets groups chat and draw over TCP/IP connections.
  • Backroute — Router monitor
  • BakaSub — A GTK+/Gnome video subtitling program.
  • Balance — TCP proxy
  • Balsa — GNOME mail client
  • Baobab — An application to analyse directory trees
  • Barcode — Converts text strings to printed bars
  • Bash.Diff — Extended version of the 'bash' shell
  • BashBurn — A CD burning utility.
  • Basic File Splitter ( bfsplit ) — Basic File Splitter (bfsplit) splits files into pieces.
  • Batemail — Strips attachments from email messages
  • Battle Just Started — 3D arcade tank battle
  • Benchmark-Timer — Times and becnhmarks portions of code
  • Big Sam — Guestbook
  • Biggles — Creates 2D scientific plots
  • BioImageXD — BioImageXD can do 3D image ananlasis and visualisation of microscopy and other 3D data, and also make movies.
  • Bitlbee — IRC gateway to other chat networks
  • Blender — 3D modeller/renderer
  • Blip_Buffer — Band-limited sound synthesis library for use in video game sound chip emulators
  • BlueDot — Tracking and Web site activity measurement script
  • BlueZ — Bluetooth for GNU/Linux
  • Blwm — Window manager
  • Board-tnk — Discussion board
  • BoboBot — Jump-and-run game
  • Bobot++ — IRC Bot that can be scripted using Scheme
  • Bochstools — Scripts and programs to be used with the Bochs-emulator
  • Bond — Tool for developing database frontend applications
  • Booby — PIM that supports bookmarks, contacts, notes, news and tasks
  • Bookcase — Collection manager for KDE
  • Bookmark4U — Bookmark manager
  • Bookmarker — Bookmark manager
  • Bootstrapper — Creates a customized bootstrapping script
  • Bras — Command execution tool
  • BrickOut — A simple brick-breaking game
  • Brikx — A game in which your goal is to remove all tiles.
  • Bubblegum — Watches files for changes via stat()
  • Bug-buddy — GNOME bug-reporting utility
  • BugSquish — Use the mouse to squish the bugs before they suck your blood
  • Bugdar — Is a bug tracking system.
  • BuildBot — Automates the compile/test cycle of software development
  • BulkWatch — Takes action when an IP has exceeded its maximum settings
  • BusyBox — Tiny versions of many common utilities
  • Bygfoot Football Manager — Small and simple graphical football (a.k.a. soccer) manager
  • ByteHoard — A file transfer, storage, and mangement system.
  • CARE2X — A program that integrates different information systems of hospitals.
  • CDS-PHP — CSD-PHP Control de service para empresas informáticas
  • CGI Calendar — CGI-based event calendar that does not need a database
  • CGI::Cache — Caches output of time-intensive CGI scripts
  • CGoban — Client program for the game of Go
  • CLEX — File manager
  • COBOL for gcc — Project to produce a free COBOL compiler
  • CPG — Specifies language grammars and computes, generates, and simulates the corresponding automatons
  • CRM114 — Regex mutilator and filter
  • CUPS — Portable printing layer
  • CVSGraph — Generates graphical representations of CVS revisions and branches
  • CWirc — X-Chat IRC client plug-in to transmit Morse code
  • Cage — Replacement for 'chroot'
  • Calcoo — Scientific calculator
  • Calcurse — Text based PIM
  • Camera Picture Copier — A digical camera picture copier/renamer.
  • Catase — Serves documents in response to queries
  • Catdoc — Changes Word files to ASCII text
  • Cats2procmailrc — Generates a .procmailrc file
  • Cave — An ncurses ascii character animation viewer
  • Ccache — Compiler cache
  • Cce-interact — Online learning system
  • Ccvssh — Secure ext-to-pserver bridge for cvs
  • Cdcd — Plays CDs
  • Cdda2wav — Records audio tracks digitally into wav files
  • Cedar Backup — Backs up files on local and remote hosts to CD-R or CD-RW media
  • Celebrat — Text-mode calendar application
  • Cereal — Emulation framework for 8051-compatible CPUs and connected devices
  • Cflow2vcg — Cflow to VCG converter
  • Championship Generator — A program that produces a list of all the meetings between a set of teams.
  • ChangePassword — Change passwd, Samba, and Squid passwords.
  • Changedfiles — Framework for filesystem replication, security monitoring, and/or automatic file transformations
  • Chart — Stock and commodity market charting
  • Chbg — Manages the background of a desktop
  • CheckWebsite — Performance monitoring and uptime notification tool
  • Checkaliases — Reads and monitors a sendmail alias file
  • Chess — Chess game
  • ChessX — A chess database.
  • Chrpath — Modifies the dynamic library load path
  • Chupacabra — Administrative IRC bot
  • ChurchInfo — ChurchInfo is a web-based church database application. A database of members and families facilitates automation of many administrative activities.
  • CinePaint — A deep painting and image retouching tool for film.
  • Cinelerra — Advanced audio/video content creation system for GNU/Linux
  • Circus Linux — Bounce clowns into the air so they pop balloons
  • Citadel — BBS program
  • Cite CRM — Customer Relations Management Software For Computer Repair Industry
  • CitrusDB — Is a customer database and billing software solution
  • Cjukebox — Directory-based management system for audio files
  • Clam AntiVirus — An anti-virus utility for Unix.
  • ClearHealth — Medical practice management system and EMR
  • ClusterSSH — Automatically sends text to multiple windows
  • CoaSim — Coalescence process simulator
  • CoaSim-gui — GUI for the CoaSim coalescence process simulator
  • Code Striker — Script to facilitate collaborative code reviews
  • Coin — 3D graphics library whose API is based on the Open Inventor API
  • Colorifer — Utilities that color the output of other processes
  • Comfigure — Wrapper to run configuration scripts
  • Command Line Trash — command line interface to trash
  • Compilercache — C and C++ compiler wrapper
  • Conc — Serial console concentrator package
  • Cone — Text-based email client
  • Console Othello — text othello
  • ConvertFS — File system conversion utility
  • Corkscrew — Small program for tunneling SSH through HTTP proxies
  • CorneliOS — "Web Operating System"
  • Cream CRM — A customer relationship management system for media organizations.
  • Createusers — Adds or removes users in bulk
  • Crossroads Load Balancer — Load balance utility for TCP
  • Cryptkeeper — A system tray EncFS frontend.
  • CryptoTools — Cryptographic-related applications that run from batch, console or GUI without installation
  • Cryptonit — Lets users encrypt/decrypt and sign/verify files with PKI certificates
  • Current — Server implementation of RedHat's up2date tools
  • Cvsauth — Authentication daemon for the CVS pserver method
  • Cvschk — Checks for new files and modifications to old files
  • Cvsplot — Analyzes the CVS history of a project
  • Cxref — Produces documentation from C source code
  • Cymbaline — Intelligent learning music player
  • DForum — Web site discussion forum
  • DHEX — Ncurses-based hex-editor
  • DRT — Design recovery tool for interactive graphical applications
  • DULog — New log notifier and parser
  • DVDStyler — A DVD authoring system
  • Darkstat — Network statistics gatherer
  • Darwin2k — Robotics design and simulation program
  • DataCaptureTool — This is a TCl/Tk package for getting data out of scientific plots (or from any other plot for that matter).
  • DataMonster — D&D command line management program
  • Dead Souls — A MUD library that lets you make online text adventure games.
  • Deb Creator — GTK wizard tool to build deb packages
  • Debt Payoff — Calculates how long it takes to pay off credit cards
  • Defendguin — GNU/Linux-themed Defender clone
  • Deluge — a Bittorrent client written in Python/PyGTK
  • Deroff — Removes roff and preprocessor constructs
  • Desktop Data Manager — A clipboard manager and screenshot taking application.
  • Devfsd — Manages entries in the Device Filesystem
  • DiaCanvas2 — Diagramming widget
  • Diffutils — Finds differences between and among files
  • Dimnum — C++ library for storage and conversion of dimensionful values
  • Disc-Cover — Produces covers for audio CDs
  • Diskfree — Tracks and reports changes in file size
  • Dkimap — IMAP4 daemon
  • Dnsmasq — Small DNS forwarder
  • DocMGR — A enterprise level document manager
  • Doclifter — Translates n/t/g/roff documentation to DocBook XML markup
  • Double Choco Latte — System for tracking bugs, changes, enhancements, and requests for software
  • DrQueue — Distributed rendering queue
  • Drip — DVD to divx conversion application
  • Drunkifier — Translates text into drunken text.
  • Duplicate Music Matcher — Duplicate Music Matcher is a application to quickly find duplicate MP3, OGG, and FLAC files based on letter matching.
  • Dupseek — Finds and removes duplicate files
  • Duty Roaster — Duty Roaster is a program for managing and generating duty rotas
  • Dynamic Probes — Debugger
  • E — Automated theorem prover
  • E-xmms — Enlightenment applet for XMMS
  • ECNCheck — Tests for ECN support and RFC-violating refusal
  • EDMA — Modular development environment
  • ELF statifier — Combines multiple executable files into one
  • ELinks — Enhanced version of the 'links' text browser
  • EMC — EMC is software that implements real-time control of equipment such as machine tools, robots, and coordinate measuring machines.
  • EMirror — Ftp mirror script
  • ENodes — Web development and publishing framework
  • EZRO — System for managing Web-based content
  • Easy Benchmarking Suite — Data collection, analysis, and plotting of Web site benchmark timings.
  • EasyChains — GUI for a console firewall script
  • Eboard — Chess board interface for ICS
  • Echoping — Testing tool for TCP servers
  • Eject — Puts removable media under software control
  • Elca — Real-time calculator
  • Electric Fence — Memory debugger
  • Electronic Medical Imaging System — Medical information system
  • Elib — Library of Emacs LISP functions
  • Elmer — Elmer is a computational tool for multi-physics problems.
  • Elysium Download — Download manager for GNOME
  • EmPy — Embeds Python expressions and statements in template text
  • Emacs Common Lisp — Common Lisp implementation for Emacs
  • Emacs Wiki — Wiki system for Emacs
  • Emdros — Database engine for annotated or analyzed text
  • Empire — War game
  • Endeavour — File browser/File manager
  • Enemies of Carlotta — Small, simple mailing list manager
  • EnterTrack — Artifact tracking and management system.
  • Entombed! — A one- or two-player maze crawl
  • Epkg — Package manager for the Encap package management system
  • Epylog — New log notifier and parser
  • Eqe — LaTeX equation editor
  • EsounD — Audio file player and sound daemon
  • Etherape — Network monitor
  • Euchre — Spades or bridge-like card game
  • Eukleides — Euclidean geometry drawing language
  • Euterpe — Media archive searching applet
  • EverCrack — Cryptanalysis engine
  • Evolution RSS Reader Plugin — An RSS reader plugin for Evolution.
  • Extended Operating System Loader — Graphical boot loader
  • Ezstream — A flexible Icecast source client with support for external de-/encoders.
  • FAI — Automatically installes Debian onto a PC cluster
  • FTPmond — Automatically tells a mailing list about new files
  • Fake — Activates backup servers on a LAN
  • Fast rendering toolkit — Toolkit for 3D animations using low-end machines
  • Fcron — Schedules periodic commands
  • Fenris — Tools for code debugging and examining possibly hostile applications
  • Ferriscreate — Creates new objects in the filesystem
  • Ffproxy — Filtering HTTP proxy server
  • Fianchetto — Free swiss tournament manager for chess tournaments
  • Figaro's Password Manager — A GNOME app to securely store and encrypt passwords.
  • File Ripper — A tool for extracting files from disk images.
  • FileRepair — Compares and modifies files across a network
  • FileRoller — Archive manager for Gnome
  • FileTools — Multiplatform application for working with checksum files
  • Filters — Converts proprietary formats to XML-based formats
  • FireDNS — Library for handling asynchronous DNS queries
  • FireMake — Creates makefiles
  • FireString — Facilitates C string handling
  • Fireflier — Firewall tool built on top of the iptables framework
  • Firestorm — Network intrusion detection system
  • Fityk — Non-linear curve fitting and data analysis
  • FlacFile — Attaches files to FLAC files using the metadata section
  • Flawfinder — Analyzes code for security risks
  • Flc — Shows the FILE_ID.DIZ and ID3 tag of every file
  • Flexbackup — Backup tool for both local and remote files
  • Flight Gear — Flight simulation software
  • Flock — File locking utility
  • Flumotion — Streaming media server
  • FlyBird — Is a file manager
  • Fnord httpd — Small HTTP server
  • Fontlinge — Font management and organisation tool for TrueType and PostScript fonts
  • FooBillard — Billiards simulation
  • Fotox — Photo contrast editing
  • Free Pascal Compiler — Free Pascal compiler
  • Free S/WAN — IPSEC and IKE for GNU/Linux systems
  • FreeCAD — Computer Aided Drawing
  • FreeMED — A Web-based medical record (EMR) and medical practice management system.
  • FreeMED — Web-based medical records and patient management system
  • Frocor — A sound-graphics installation.
  • Frontier — Geometric constraint solver
  • Frost — C++ compiler wrapper
  • FrozenBubble — Animated penguin game
  • Ftpcopy — Copies files or directory trees
  • Funct — Stores and modifies mathematical functions
  • FunctionCheck — Profile generator for C/C++ programs
  • FunkLoad — A functional and load tester for Web applications.
  • G-Cows — Facilitates Web site creation
  • GAA Argument Analyzer — Analyzes command line arguments
  • GAP — GAP is a system for computational discrete algebra, with particular emphasis on Computational Group Theory.
  • GCronTime — Manages 'cron' function
  • GENDIST — Creates individual distributions
  • GENtle — Bioinformatics software for everyday molecular biology tasks
  • GIFT — Content based image retrieval system
  • GKrellM — System monitor package
  • GLE — C functions that draw extruded surfaces
  • GMT — Geographic mapping tools that produce EPS illustrations
  • GNAT — A complete Ada95 compilation system
  • GNOME Debian Package Manager — A graphical manager for Debian packages.
  • GNU Gatekeeper — A free H.323 gatekeeper.
  • GNU Pascal — Pascal compiler of the GNU Project
  • GNU SQL — Database management system
  • GNU ghostscript — Interpreter for the Postscript and PDF graphics languages
  • GNU go — Plays the game of Go
  • GNU tar — Creates tar archives
  • GNU trueprint — Prints source code to PostScript printers
  • GNUMed — Software for a paperless medical practice
  • GNUTS — GUI toolkit abstraction library
  • GNUscape navigator — Web browser that runs under GNU Emacs
  • GPL Arcade Volleyball — A multi-platform Arcade Volleyball clone
  • GPLIGC — Analyzes IGC flight data from GNSS flight data recorders used by glider pilots
  • GPRename — GUI batch file renamer
  • GPS — Simulates particle behavior
  • GPSMan — Graphical manager for GPS data
  • GRASS (Geographic Resources Analysis Support System) — Geographic information system
  • GSAMBAD — GSAMBAD is an easy to use GTK+ frontend for the SAMBA file and print server.
  • GSKey — Generates MD5 sums
  • GTS — Functions for 3D surfaces meshed with interconnected triangles
  • GTybalt — Computer algebra system
  • Gaby — Small personal database manager
  • Galaxium Messenger — GNOME Instant Messenger
  • Gale — Instant messaging software
  • Gamazons — Board game
  • Game Launcher — A front end for game emulators
  • Gameping — Monitors games servers
  • Garnome — Build utility for the Gnome desktop
  • Gbiff2 — Displays headers when new mail has arrived
  • Gcron — Replacement for Vixie cron
  • GdMap — A tool to display disk space using treemaps.
  • Gdbm — Replacement for the 'dbm' and 'ndbm' libraries
  • GeSHi — A generic syntax highlighter for PHP.
  • Gecko Multimedia System — A replacement for your VCR, DVD, MP3, and CD player.
  • Gedafe — Web front end for databases
  • Gemdropx — Pull gems down and throw them back to make matches
  • Genigma — Free 'enigma' emulation
  • Gequel — GTK-based frontend for MySQL
  • Getargs — Python command line parser
  • Getmail — Simpler replacement for fetchmail
  • Ghemical — Molecular modelling application
  • Ghex — Binary file editor
  • Ghost for Linux — A hard disk and partition imaging/cloning tool using compression and FTP.
  • Give/Take — Filesharing application
  • Gjots — Lets you make notes in tree form
  • Glame — Sound editor
  • Glom — GUI for PostgreSQL tables
  • Gmessage — Replacement for xmessage
  • Gmrun — Run program utility
  • Gnarwl — Autoresponder
  • Gneuro — Euro converter
  • Gnomba — GUI Samba browser
  • Gnome Character Map — Selects high ASCII characters
  • Gnome Flow — Calculates and visualizes steady-state fluid flows
  • Gnome Toaster — CD creation suite
  • GnomeLDAP — Administrative tool for LDAP directories
  • Gnomedb — Framework for developing database applications
  • Gnomeradio — FM radio tuner
  • Gnonlin — A non-linear editing library built on top of GStreamer.
  • Gnu 8085 Simulator — A graphical 8085 simulator and assembler with a debugger.
  • Gnu Math — Unfinished software to simplify programming for scientific applications
  • GnuLedger — Income and expense tracker
  • Gnuboy — Gameboy emulator
  • Gnuml — Backend to manage mailing lists and email archives
  • Gnutrition — Nutrition analysis software
  • GoldenPod — A podcast aggregator
  • Googleware — Automatically queries Google
  • GooseQuill — Software for managing and marketing all types of writing projects
  • Gotmail — A utility to non-interactively download email from a Hotmail account.
  • Gpasman — Password manager
  • Gperf — Generates a hash function
  • Gphoton — 3d modeller with integrated ray tracer
  • Gpsdrive — Map-based navigation system
  • Gqview — Image browser
  • Grace — 2D plotting tool
  • Grafist — Bandwidth utilization viewer
  • Graft — Package management utility
  • GraphThing — Tool for creating, manipulating, and studying graphs
  • Gravityd — Graphical display of network testing tools
  • GreatCharts — A commandline tool that generates stock charts.
  • Grepmail — Searches for emails in normal or compressed mailboxes
  • Gretl — Software for econometric analysis
  • Gretools — Vocabulary building tool for Gnome
  • Gringotts — Securely saves sensitive data
  • Grisbi — A personal finance manager.
  • Gromit — System configuration tool
  • Group-Office — A Web-based groupware office suite.
  • Grsecurity — Security system that implements a detection/prevention/containment strategy
  • Grsync — A GTK GUI for rsync
  • Gsmbscanner — NetBIOS scanner program
  • Gtk-nocker — TCP security port scanner
  • GtkAda — Ada 95 graphical toolkit
  • GtkExtra-- — C++ wrappers for GtkExtra
  • GtkHTML — HTML rendering/editing library
  • GtkLife — Implementation of Conway's Game of Life
  • GtkOL-LDAP — Is a client GUI designed to manage OpenLDAP directories.
  • GtkPSproc — Graphical frontend for 'psutils'
  • GtkSpell — Spellchecker for GTK's TextView widget
  • Guarddog — Firewall generation/management utility for KDE 2
  • Gujin — Graphic bootloader, kernel loader, floppy simulator on HD, FD, and CDROM
  • Gwenview — Image viewer for KDE
  • Gwork — Tracks the work a company does and/or the products it sells
  • Gxmlviewer — XML viewer for Gnome
  • Gzip_x86 — 'gzip' distribution tuned for faster decompressing
  • HTML Code Convert — Helps convert HTML code into various other languages
  • HTML Family Tree Generator — Creates view of a family tree
  • HTTP Anti Virus Proxy — A proxy with a ClamAV anti-virus scanner.
  • Hammerhead — A Web stress testing tool.
  • Handbrake — DVD Ripper and Audio/Video Converter
  • Hanzim — Visual, interactive Chinese character and word dictionary
  • HardInfo — System profiler and benchmark tool
  • Hardware Lister (lshw) — Is a small tool to provide detailed information on the hardware configuration of the machine.
  • Harmonics — Harmonics files for Xtide
  • HarvestMan — Multithreaded offline browser
  • Hdup — Filesystem backup tool
  • Heartbeat — Monitors hosts and provides high-availability failover services
  • Hermes Antispam Proxy — is a generic, transparent, multi-platform anti-spam SMTP proxy.
  • HexCurse — Ncurses-based hex editor
  • Hexedit — Displays, edits, and searches in ASCII and hexadecimal
  • Hitchhiker's Guide to the Internet — A German-speaking introduction to the technical aspects of the Internet.
  • Hobbit — Scheme to C compiler
  • Holocrunchies — Computational holography program
  • Homebrew Decompiler — decompiles Java class files
  • Horgand — Graphical FM real time organ
  • Hot Potato Online — Bomb the opposition with explosive potatoes in this multiplayer arena sport game.
  • Hotwire — Hotwire is intended to replace the interactive command execution portion of a typical Unix shell.
  • Hping — Sends custom packets and displays target replies
  • Html2fo — Converts from html to xml:fo formats
  • Htmlrecode — Modifies HTML files
  • Httptunnel — Creates a data path in HTTP requests
  • HuegoGallery — A dynamic photo gallery written in php
  • HuffmanView — Visualizes the Huffman tree algorithm.
  • Hybrid Logics Model Checker — C implementation of model checking algorithms for Hybrid Logics
  • Hydrogen — Drum machine/sequencer
  • ID3.py — ID3 MP3 info tag manipulation in Python
  • IP Sentinel — Prevents unauthorized usage of IP addresses
  • IP Traf — Generates network statistics
  • IPFC — Manages security modules
  • IPStream — Crossplatform libraries for working with TCP/IP protocols
  • IRM — Asset tracking system for IT depts. and helpdesks
  • ISO Master — A graphical editor for ISO images.
  • ISP-Check — Tests the connectivity of your ISP
  • IT++ — C++ library of mathematical, signal processing, speech processing, and communications classes and functions.
  • IceMe — Graphical menu and shortcut editor for the Ice window manager
  • Icecast — Streaming media server based on the MP3 audio code
  • IcedTea — free JVM
  • Iceutils — A suite of command line tools designed to make creating a game world easy.
  • Ignorance — Content filtering plugin for Gaim
  • ImLib3D — Library and visualization system for 3D image processing
  • ImgSvr — Web server designed for image publishing
  • Imgv — Image viewer
  • Indexed PDF Creator — Creates indexed PDF documents from text files
  • Inkscape — SVG editor
  • Internet radio protocol — Playlist manager and streamer for Internet radio stations
  • IrcGraph — Visualizes IRC traffic
  • IrssiBot — IRC bot
  • Isabella — Gothic font
  • Issue-Tracker — Support issue tracking system
  • JGloss — Adds reading and translations annotations to Japanese text
  • JILetters — Alphabet-learning tool for children
  • JRuby — Java version of the Ruby interpreter
  • Jacquemate — Turn-based Web chess system
  • Java Tetris — Tetris game
  • Jbrout — A modular photo manager
  • Jebi — A program to record AM/FM radio and publish it to a podcast feed.
  • JitterBug — Web-based bug-tracking tool
  • Jpg2html — Generates thumbnails and the corresponding HTML
  • Jumpnbump — Cute multiplayer platform game with bunnies
  • Jungle Monkey — Distributed file sharing program
  • KCachegrind — Profiling Visualization
  • KDirStat — Displays disk usage information for directory trees
  • KHdRecord — Audio recorder that writes directly to the hard disk
  • KLibido — KDE Usenet file grabber
  • KLinkStatus — A link validity checker.
  • KLone — Embeddable web server and SDK to write dynamic HTML pages using C/C++
  • KMyMoney — A KDE personal finance program.
  • KNewMail — Checks incoming mail and displays headers
  • KPhotoAlbum — A tool for indexing/browsing/searching large numbers of images and/or videos.
  • KSEG — Euclidean geometry simulator
  • KSlackCheck — Syncs, monitors, and displays changelogs and updates
  • KWebWatch — Monitors Web pages looking for changes
  • Kadet — Server
  • Kaffe — Complete, PersonalJava 1.1 compliant Java environment
  • Kalkulon — A programmable expression calculator for programmers
  • Kanatest — Kanatest is a simple hiragana and katakana drill tool.
  • Kbiff — Mail notification utility
  • Kci — Simulates chemical reactions
  • Kernin — Script for kernel install
  • Kexchange — A currency converter which gets the latest rates from the Internet.
  • Keychain — Key management front-end for OpenSSH's ssh-agent
  • Keystone — Digital library suite
  • Kid3 — An efficient tagger for MP3, Ogg/Vorbis, and FLAC files.
  • Kile — LaTeX source code editor
  • Kleandisk — Removes extraneous files from your hard disk
  • Klear — A KDE-based DVB TV viewer and hard disk recorder for GNU/Linux.
  • Klicklack — A plugin-based dictionary application for KDE.
  • Knettools — Network testing tools
  • Kodos — Tool for working with regular expressions
  • Kommuni-K — Gathers multiple electronic communications systems together in one application
  • Kuickshow — Image viewer
  • LCDnetstat — Displays incoming TCP/IP connections
  • LIMBAS — Is a web application based on tables, forms and reports with many other built-in features like a filemanager, workflow engine and user management
  • LPRng — Extended print spooler system
  • LSAT — Security auditing tool
  • LTSP — Linux Terminal Server Project
  • LUCAS — LDAP monitoring framework
  • Larbin — Web crawler
  • LastBASH — LastBASH is a console/terminal based player for Last.fm written in Bash.
  • Latex4jed — Enhanced LaTeX mode for the Jed editor
  • Launch.app — Executes applications
  • Launchtool — Launches applications
  • LavaPS — Interactive process-tracking program
  • Lavengro — Vocabulary test engine
  • Ldapdiff — Compares and adjusts ldif files with a running LDAP server
  • Ldapvi — Lets users update LDAP entries with a text editor
  • Leafpad — Simple GTK+ based text editor
  • Lesspipe.sh — Input filter for 'less'
  • LiVES — Video editing system
  • LibData — Library web management system
  • LibHTTPD — Adds basic Web server capabilities to an application or embedded device
  • LibStroke — Stroke translation library
  • Libcisco — Automates configuration management for Cisco network equipment
  • Libdvdcss — Library for transparent DVD device access with CSS on-the-fly decryption
  • Libferris — Virtual filesystem
  • Libgaudio — C/C++ library to incorporate sound and sound effects into games
  • Libgenrics — Is a library to provide object services
  • Libgtkol — Is a GTK C++ Object Layer
  • Lich — Playlist creator/manager.
  • LinCVS — Graphical CVS frontend
  • LinCity — City/country development simulation game
  • LineControl Server — Remotely controls server connections
  • Linux (BLOB free version) — UNIX kernel often used with the GNU system
  • Linux Vacation — Automatic mail-answering program
  • LinuxLive — Set of scripts for creating a live CD
  • LinuxTaRT — Signature generator
  • Little Wizard — A development environment for children.
  • LiveSync — Synchronizes data between two systems
  • LivingInternet Web Site Template — Source and user manual providing a simple, automated structure for provision of standard navigation functionality for web sites with multiple chapters and subsections.
  • Lodju — Lodju creates indexes of digital images
  • Logintop10 — Creates "Top 10" lists from wtmp statistics
  • LongPlayer — MP3 player for listening to large collections or long periods of time
  • Looking Glass — A looking glass written as a CGI script
  • Luma — Accesses and manages data stored on LDAP servers
  • Lurker — Mailing list archiver
  • Lustre — Storage and filesystem architecture for very large clusters
  • Lutel Firewall — Firewall and NAT/masquerade router for home networks or multiple subnet applications
  • Lynx — Text mode browser
  • Lyricue — Edit/displays song lyrics on a screen or projector
  • LyxDogs — Mail merge program
  • MC — Converts text documents into a vector space model
  • MH-E — Emacs interface to the MH mail system
  • MIME-tool — Constructs MIME encoded messages with file attachments
  • MODEL — Analyzes and simulates rate equations
  • MP3tm — Helps you to tag all your MP3s and set unique names.
  • MRTG — Monitors traffic load on network links
  • MT2 Thumbnailer — Generates HTML photo albums
  • MTX — Controls tape drives and autoloaders
  • MUltihost SSH Wrapper — Broadcasts commands over SSH to multiple hosts.
  • Mad Bomber — Uses buckets to catch falling bombs
  • MagicStats — Web server log analysis tool
  • Mah-Jong — Mah-Jong game, graphical client, and computer player
  • Mail-bounce — Returns customized email to the sender
  • Mail2clf — Generates a CLF file from email
  • Mail::Mbox::MessageParser — Basic but very fast mbox parser
  • Mailgraph — Mail statistics RRDtool frontend
  • Majentis — Conflict resolution tool for CVS
  • Man-db — Reference manual page database and browser
  • Man2web — Converts man pages to HTML
  • Manhattan Virtual Classroom — Delivers courses via the Web
  • Mantis — A PHP-based bug tracking package.
  • Mantra — A centralized, Web-based newsreader.
  • Manyapad — Text editor
  • Mapuche — MApuche, The Chilean PHP CMS.
  • Margana — Anagrammer
  • Mass — Project to develop a semi-2D game without using bitmaps
  • MathPlanner — Mathematical design and publishing tool
  • Matjito — Library for fast math expression evaluation
  • MatrixSSL — Is an embedded SSL implementation.
  • Mauve — Unfinished free test suite for the Java class libraries
  • Maxemum TV-Guide — A TV guide for KDE.
  • Mbuffer — Enhanced version of buffer
  • Meeting Room Booking System — Multiple site meeting room bookings.
  • Meld — GNOME 2 diff and merge tool
  • Memo — Reminder application
  • Memtest86 — Memory test for x86 computers
  • Menstruation Calendar — Tracks menstrual cycles
  • Mercurial — A fast distributed SCM.
  • Mergelog — Merges and sorts HTTP log files
  • Mesk — A GUI music player application.
  • Meta-CVS — Version control system built around CVS
  • Microbrew Microsieve — Spam filter for USENET
  • Microscopic Window Manager — Minimalist window manager
  • Midnight Commander — Unix file manager
  • Mifluz — Full text inverted index query library
  • Mig — Interface generator for the Hurd
  • Milter-Virus — Wrapper for virus scanners
  • Minimum Profit — A programmer's text editor.
  • Mioga — Intranet groupware application
  • Mirror — Turns your entire display black
  • MirrorMagic — Game where you shoot around obstacles to collect energy using your beam
  • MisterHouse — Home automation with Perl.
  • Mkautosmb — Makes the local SMB network browsable
  • Mkcgi — Helps generate form processing CGI scripts
  • MoB — Realtime multimedia manipulation environment
  • Mod_Survey — Displays and handles Web questionnaires
  • Mon.cgi — CGI interface for checking the status of a 'mon' service
  • Monit — Utility that monitors daemons or similar programs
  • Mono — implementation of the various ECMA and .NET
  • Moodle — System for producing educational course Web sites
  • Moodss — Modular System Monitoring Software
  • Moonlight3D — 3D modeller
  • Morsetrainer — Program for learning Morse code
  • Motor — Text mode IDE
  • MrVoice — Perl/Tk front-end for an MP3 database
  • Mrbs — Meeting room booking system
  • Mtools — Lets Unix systems work with DOS files
  • Mtr — Network diagnostic tool
  • MuSE Streamer — Mixing, encoding, and network streaming sound tool
  • MultiSync — Synchronizes PIM data between devices
  • Multiplication Station — Learn to add, subtract and multiply
  • Multitail — Tail on multiple windows with a ncurses interface
  • Multitalk — An interactive presentation program.
  • Multiuser Address Management System/Book — Web-based address system/book
  • Mumbles — Is a Dbus based notification system
  • Munin — Gathers, graphs, and displays information
  • Music Manager — A Konqueror plugin for management of audio files (MP3, Ogg, etc.).
  • My Blog — A blog that aims to be simple to use, with many advanced and unique features.
  • My Handy Restaurant — Software for running a full-service restaurant
  • My Photo Gallery — Web-based photo gallery that also supports non-image filetypes
  • MyCMS — Internet publishing system
  • MyDNS — Free DNS server designed for use with MySQL
  • MyNews — Script to scan websites
  • MyPaint — A quick and easy paint program like the GIMP
  • MyPos — A simple Web-based administration tool for postfix.
  • MyRPM — A script to create an RPM package from a list of files.
  • MySAR — A dynamic web-based squid log analysis system
  • NKAds — Banner ad administration system
  • NNTPobjects — C++ classes for creating NNTP clients
  • NOLA — A PHP-based business accounting and inventory application.
  • Nanoblogger — Simple blogger
  • Natural Language Toolkit — Toolkit for writing programs that process natural language
  • Nbook — Guestbook script
  • NeDNS — Multilingual domain system
  • NetPBM — Converts graphics formats
  • Netfilter2html — Uses GAWK to process netfilter logs
  • Netstat-nat — Displays NAT connections
  • Netsukuku — A P2P network system
  • Network Monitoring Tool — Stores and manages information about your network devices
  • NetworkManager — Program to provide a persistent network connection
  • NewsCloud Media Platform — A media platform for citizen journalism and the social news
  • NewsFeed — RSS reader and aggregator with minimal dependencies
  • Newsadmin — Simple news administration system
  • Newspost — Newsgroup posting tool
  • Newsq — Helps to efficiently process messages in an outgoing mail queue
  • Nflash — Posts news to a Web site
  • Nice — Object-oriented language with advanced features
  • Noffle — Offline news server
  • Nomarch — Extracts files from the old .arc archive format
  • Nonsense — Random text generator
  • NorthStar — Tracks and assigns IP allocations
  • Notespam — Filter-style spam-marking script
  • NuFW — Filters packets on a per-user basis
  • NumEdit — A very powerful and simple to use hexadecimal / binary / octal / decimal editor.
  • NumExp — Math-oriented programming language
  • Nut — Diet and nutrient database
  • Nuxeo CPS — Collaborative portal and content management server
  • OBM — Intranet groupware application
  • OGDF — Open Graph Drawing Framework
  • OSCAR — Helps build free software clusters
  • OSKit — Tools for operating system development
  • OWFS — the 1-wire filesystem
  • Octave — High-level language for numerical computations
  • Oleo — Lightweight spreadsheet program
  • OmniORB — CORBA orb
  • OneFinger — GUI for writing CLI commands with the mouse
  • Online Grades — Online Grades is free software allows schools post grade information online using exports from several popular gradebook programs.
  • OpenEMR — A medical practice management and health record (EMR) system.
  • OpenFOAM — Computational Fluid Dynamics (CFD) toolbox
  • OpenProofPower — a specification and proof tool
  • OpenRealty — Real estate listing manager
  • OpenWengo — SIP Software
  • Openmailadmin — A new approach to administration of IMAP mail servers.
  • OrangeHRM — Is a comprehensive Human Resource Management (HRM) System.
  • Otak — Provides command line interface for programs without one
  • PAI — Artificial intelligence program
  • PARI/GP — Software for computer-aided number theory
  • PCB — Designs printed circuit board layouts
  • PCXFirewall — IPTables firewalling application
  • PDF Editor — A GUI editor for manipulating PDF documents
  • PDFMap — Generates maps in PDF format
  • PDFjam.txt — Interface to the pdfpages package for pdfLaTeX
  • PHPFilm — Manages a film collection
  • PHPX — Web content management system
  • PHPkrm — GNUPG keyring manager
  • PIKT — System monitoring tool
  • PIPS — Converts data between formats
  • PJ — Toolkit for creating and manipulating PDF documents
  • PLM — Tracks the lifecycle of patches against a source tree
  • PMReport — PHP/MySQL report generator
  • POPauthd — Authorizes connecting hosts for SMTP relaying
  • PWP Wiki Processor — Wiki written in PHP
  • Packet2sql — Converts files with ipchains packet logs to SQL inserts
  • Pagecast — Submits lists of URLs to search engines
  • Pancho — Makes configuration changes through SNMP and TFTP
  • Panorama — Framework for 3D graphics production
  • Pantry — Is a command line nutrient analysis.
  • Paperclips — Webserver and dynamic content container
  • Papyrus — XML-based reporting langauge for PostgreSQL and MySQL
  • Parchive —
  • Parma Polyhedra Library — C++ library for the manipulation of convex polyhedra
  • Pasdoc — Documentation generator for pascal source code
  • Patch — Applies a patch to a file
  • Paxutils — Tool to manage file archives
  • Paymaster — A payroll and HR database application
  • Pencil — traditional 2D animation program
  • Penetrator — Indexes big trees
  • Penguin Greetings — Internet greeting card application
  • Perl Critic — Critiques Perl source code for best-practices
  • PerlBoard — Threaded messageboard system
  • Perltidy — Perl code indenter and beautifier
  • Personal Expenses Manager — Is a command line accounting program
  • Pfm — Terminal based file manager
  • Pharch — Lets users place their photo archive on the Web
  • Photoshrink — Creates thumbnails and writes the supporting Web pages
  • PhpMyExplorer — Lets you update your site online without ftp access
  • PicBook — Automatically produces an HTML album of your images
  • Picalo — Data Analysis Software
  • Pinfo — Ncurses based info documentation browser
  • PipeMore — Pipes data to a new window
  • Plait — A program that builds playlists and submits them to a music player.
  • Planet Finder — Shows the location of planetary bodies
  • Plans — Web-based calendar
  • Playmidi — MIDI player for GUS, FM, and external MIDI devices
  • Pliant — Programming language framework
  • Pogo — Launcher for X11
  • Poink — TCP/IP-based ping implementation
  • PolygonPuzzle — Tesselation puzzle
  • PonG — Library and GUI tool for creating configuration dialogs
  • Pootypedia — A tool for tracking your end users' hardware.
  • Pop3eye — POP3 email notifier
  • Poppy — Retrieves email headers
  • Pound — Reverse HTTP proxy, load balancer, and SSL wrapper
  • PreMail — Mail previewer and deleter
  • Privoxy — Web proxy with advanced filtering capabilities
  • ProGuard — Java class file shrinker and obfuscator
  • Profoil-WWW — Wind tunnel data analyzer
  • Psmon — Process monitor
  • Psyched — task management for GTK
  • Psychopg — PostgreSQL database adapter for Python
  • Ptx — Index generator
  • Pure FTP server — FTP server
  • PurpleView — Paper review system
  • PwManager — Password manager
  • Pwytter — Is a Twitter GUI client
  • PyKota — Print quota system for CUPS
  • PyMaViS — Removes email attachments and scans them for viruses
  • PyPE — Midsize programming editor
  • PyPIV — Is a Python clone of a Matlab toolbox for PIV (Particle Image Velocimetry) analysis
  • PyTone — Music jukebox written in Python
  • Pygmy — Gnome mail client written in Python
  • Pyne — Offline newsreader and emailer
  • Pysweeper — Implementation of the classic Minesweeper game
  • PythoPhotoPod — Python-based GTK+ GUI for synchronizing photos and photo albums with your pod with a color display
  • PythonMilter — Python interface to sendmail's libmilter
  • Pythoneol — An program for helping English speakers to learn Spanish.
  • Q-Graph — Library for combinatorial graphs
  • QDVD-Author — DVD authoring suite
  • QDist — Computes the quartet distance between unrooted evolutionary trees
  • QMetro — Electronic metronome
  • QPopper — POP3 server
  • Qmail-Scanner — Content scanner for qmail
  • Qmail-masq — Masks an internal mail address
  • Qps-h — A GUI version of ps and top a process monitoring tool.
  • QtUnit — Testing framework for C++
  • QueryXmms — Queries XMMS about what it is currently doing
  • Quicktables — Iptables firewall/NAT script generator
  • Quilt — Patch management tool
  • QuoteEngine — Lets users store IRC quotes in a MySQL database
  • RATS — Security auditing tool for source code
  • REJIK — Web filtering system
  • RFC — Helps system administrators run a filesystem checker
  • RIGEL — Representation-Independant Genetic Engine Library
  • RPM Wizard — An easy-to-use RPM installer.
  • RRD Tool — Stores and displays time-series data
  • RadioActive — Front-end for video4linux-compatible radio devices
  • Ragel State Machine Compiler — Compiles finite state machines from regular languages into runnable C code
  • Randomsig — Produces random signatures
  • Re-Tail — An intelligent incremental logfile reader.
  • Really Rather Good Battles In Space — A real time strategy game with fleets of spaceships.
  • Recode — Front end to the 'recode' translation library
  • Recruit — Academic job application management system
  • Reed — Autoscroller
  • ReferenceFinder — Finds sequence to locate a point in a square
  • Referencer — A document organiser and bibliography manager
  • Regular Expression Graphing Program — A regular expression graphing program.
  • Rekall — Database front end for KDE
  • Relax log analyzer — Web server log analyzer
  • Remembrance Agent — Associative memory applications
  • Reqtool — Tool for managing e-mail requests
  • Rexima — Curses-based interactive mixer
  • Rh-errata — Maintains a Red Hat system
  • Rhyming Dictionary — Rhyming dictionary
  • Ringlink — Tools for running Web rings
  • Rippy the Aggregator — Lightweight RSS aggregator
  • RoadMap — A car navigation system for Unix and PocketPC.
  • Rockbox — Firmware for Archos MP3 players
  • Rocks'n'Diamonds — Puzzle game similar to Sokoban, Boulder Dash, Emerald Mine, or Supaplex
  • RootkitHunter — Scans for rootkits, backdoors, and sniffers
  • Roxen — HTTP server
  • Rpmstatus — Shows which RPM packages are installed on machines
  • Rpncalc — RPN calculator emulating H-P 28S
  • Rubber — Building system for LaTeX documents
  • Ruby/RSS — Object oriented Ruby library for manipulating RSSs
  • Rumor — MIDI keyboard to Lilypond converter
  • Run — Controls CPU biasing of processes
  • RunLaunch — GTK/Gnome program execution utility
  • Rx — Free regex library
  • SANE — API that provides access to raster image scanner hardware
  • SAPID Inline CMS — SAPID is a CMS for creating and managing websites
  • SCA-CMS — Content management system based on PHP and the SCA class library
  • SDLHana — An SDL-based Hanafuda game.
  • SGK — One-way encryption algorithm
  • SGQI — Print quota system for CUPS
  • SINS — Simple modular nibble-like game
  • SISC — Java-based Scheme interpreter
  • SImg — Astronomical image processing software
  • SLOCCount — Counts lines of code in a program
  • SMILCut — Synchronizes data from different media sources (previously named LiveCut)
  • SMILutils — Tools for manipulating SMIL format files
  • SNACC — ASN.1 to C or C++ compiler
  • SNORT — Network intrusion detection system
  • SPA — Archiving tool for Web pages
  • SPlotter3D — 2D and 3D plotter
  • SQL-Ledger Accounting — Multiuser double entry accounting system
  • SQLDiff — Shows the difference between two SQL database tables
  • SQLiteManager — Tool for managing SQLite databases
  • SafetyNet — Keeps critical processes running
  • Sagasu — Finds strings in multiple files
  • Samhain — File system integrity checker
  • Schedultils — 'chrt' and 'taskset'
  • Schism Tracker — An Impulse Tracker clone.
  • SciGraphica — Data analysis and technical graphics
  • Scid — Chess database
  • Scout Portal Toolkit — Toolkit for developing online knowledge bases
  • Scriptorium — Multi-lingual code library
  • ScriptsMill Comments — It is a free php script that allows users to add comments on certain pages of your website
  • Sdcdc — Build system for the Debian CD's covers and labels
  • SecretSanta — Web application for anonymous giving within a group
  • Sede — Electronic voting software
  • Sedsed — Generates debug files in sed
  • Sencap — Encapping software
  • SendIP — Sends arbitrary IP packets
  • Senddfbymail — Downloads, splits, and emails files
  • Serel — Improves boot time
  • Sglib — C library inspired by the Standard Template Library from C++
  • Shed — Curses-based editor
  • Sherlog — Website log analyzer
  • Shohei Mail — Web-based multi-user mail gateway.
  • Shoreline Firewall — Iptables based firewall
  • Shuffle DBuilder — sophisticated shuffle algorithm
  • Siege — HTTP regression testing and benchmark utility
  • Sigel — 3D robotic simulation
  • SimPy — Simulation package for Python
  • Simdock — Is a fast and customizable dockbar for the desktop.
  • Simple Instant Messenger — ICQ client
  • SimpleForm — Simple, quick, usable form processor
  • Sipsak — Tests SIP devices and applications
  • Sitr — Knowledge Base
  • Skidbladnir — Tool to solve technical problems
  • Skipper — Full GUI accessibility for severely movement impaired people
  • Skipstone — Browser that embeds Mozilla through libgtkembedmoz
  • Slide2handout — Creates printable versions of PDF slides
  • Slideshow Creator — A visual editor for dvd-slideshow.
  • SlimServer — Interface for various types of music playback
  • Smail — Mail transport system
  • SmartCache — Java proxy cache server
  • SmartEiffel — Eiffel compiler
  • SmokePing — Monitors and graphs network latency
  • Snackware — A game in which programmers compete with each other.
  • SnapLogic — SnapLogic transforms data into Data services using a RESTful architecture and built in Python
  • Snatcher — Full-text search engine for Japanese or English text
  • Snoopy Logger — Logs all executed commands
  • Snortalog — Summarizes Snort logs
  • Snowbox — Small, secure POP3 server
  • Snowlog — Web server access log browser and analyzer
  • Snownews — Text mode RSS/RDF newsreader
  • Sodipodi — Vector drawing applications
  • Sound Monitor — Shows esound output
  • SoundConverter — Converts audio formats within GNOME
  • Sox — Converts between various audio formats
  • Spam Trainer — A drag and drop spam filter trainer for GNOME.
  • Spaminator — Web interface for sendmail's anti-spam functionality
  • Spastic — Set of Filters for email
  • SpecTcl — Helps analyze nuclear physics event data
  • Spinner — Keeps telnet and ssh links from dropping
  • Split-Dist — Calculates the number of splits (edges) that differs for two trees
  • SplitVT — Splits a terminal window into two shell windows
  • Splonk — Spam eliminator
  • SportsTracker — A tool for recording sport activities.
  • Sqlupdate — Generates scripts for updating MySQL databases
  • Squirrel Shell — System shell
  • SquirrelMail — E-mail reader
  • Stand Alone Tray — A stand-alone notification area.
  • Stat — Displays information about a file
  • StatEye — Determines web site traffic
  • Step into Chinese — to help English speakers learn Chinese
  • Stereograph — Stereogram generator
  • StickyNotes — Electronic Post-It notes
  • Stitch — Backup utility
  • Stress — Simulates certain types of stress of a system
  • Subterfugue — System call tracing and rewriting utility
  • Sudoscript — Provides an audited root shell
  • Sunwait — Calculates sunrise, sunset, and civil, nautical, twilight, astronomical twilight
  • Super-sed — Enhanced version of the sed text editor
  • SuperKaramba — A tool to allow desktop eye-candy.
  • SuperTux — SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original SuperMario games.
  • Superswitcher — A more feature-ful replacement of the Alt-Tab window switching behavior.
  • SureInvoice — SureInvoice is an accounting and time management application for service oriented businesses. This Professional Services Automation software is simple to use but also very powerful.
  • Surfraw — Command line interface to the Web
  • SweepOver —
  • Swpkg — Software packaging tools
  • Sysstat — The sar, mpstat, and iostat commands
  • System call tracker — Intercepts and acts on system calls
  • SystemImager — Automates an installation to multiple machines
  • T2 — Distributed Build Tool
  • TCDR — Frontend for various audio programs
  • TFT Gallery — Image gallery that doesn't need a database
  • TOCHNOG — Finite element analysis program
  • TRE — Regexp matching library
  • TTRM — Generator of musical arrays and search machine for pitch class sets
  • TWiki — Web-based collaboration platform
  • Tanne — Session management tool for HTTP
  • Tapeback — Backup system
  • Taper — Backup application
  • Tardy — Tar post-processor
  • Tarot Club — Tarot card game
  • TaskJuggler — Project management tool
  • Tau — Utility to track student attendance and scheduling
  • Taxbird — An Elster client (for German tax declarations).
  • Tcl-tools — Tools for Tcl programmers
  • Tcptraceroute — Traceroute implementation using TCP packets
  • Tdl — To-do list manager
  • Tellico — Collection manager for KDE
  • Templeet — Template engine
  • Tent — PHP/SQL intranet application
  • Terraform — Fractal landscape generator/viewer
  • TestDisk — Check and undeletes partitions
  • TextTokenizer — Module for fast text analysis/parsing
  • The Anomy Sanitizer — Blocks e-mail based security risks
  • The Freedos Project (FreeDOS Kernel) — Project to create a free, 100% MS-DOS compatible operating system
  • The Jaza Animator — `Animator' for the Z formal specification language
  • Theorur — A GTK2 GUI for Ogg/Theora live streaming.
  • Thought Bucket — A Web interface for storing random thoughts and ideas.
  • Threads — Library to make threading under C++ easier
  • Tiger — Performs security audits and acts as a host-based intrusion detection tool
  • Tile Driller — Simple paint program
  • Tiny COBOL — COBOL compiler
  • Tiny Login — Suite of small Unix utilities
  • TinyDYN — Client and server software for dynamic DNS services
  • Tiobench — Threaded I/O bench for Linux
  • TkDVD — A GUI for burning DVD+R/W -R/W discs.
  • Tkhangman — GUI version of the classic 'hangman' game
  • Tksql — Edits PostgreSQL database tables
  • To-Do — Web-based to do list application
  • Toast — *nix package manager
  • Tojo — Web-based collaborative journal system
  • Train Director — Train dispatch simulator
  • Tram for Tulip — TRAM is a collection of modules for the sofware Tulip (see www.tulip-software.org), which is extended in this way to analyse and display trace-data.
  • Transconnect — Lets users behind a proxy connect directly to the internet
  • Trash Can — Command line recycle bin
  • TreeLine — Organizes and stores text in a tree structure
  • TunnelTools — Allows access to anonymous rsync and CVS pserver servers from inside a firewall
  • Turck MMCache — Opcode cache for PHP
  • Turma — A Gtk text search and replace utility.
  • TuxCall — Call waiting detector
  • TuxPaint — Drawing program for young children
  • TuxWordSmith — Multi-lingual "Scrabble"
  • Twin — Text-mode window enviro