CAx
Main article: :Category:Free computer-aided design software
[edit] Electronic design automation (EDA)
Main article: :Category:Free electronic design automation software
[edit] Finance
* BulmaGes — Qt-based
* Compiere — ERP solution automates accounting, supply chain, inventory and sales orders
* ERP5 — Python and Zope based ERP
* GnuCash — Double-entry book-keeping
* Grisbi — Single-entry
* JCash — Java-based
* jFin
* JGnash — Java-based, double-entry book-keeping
* JMoney — Java-based
* JQuantLib — Java-based Quantitative Finance API framework for financial instrument valuation and more...
* KMyMoney — Double-entry book-keeping
* LX-Office — Double-entry book-keeping/ German adaptation(SQL-Ledger fork)
* Marketcetera — Algorithmic trading platform for equities, options and more
* Mifos — Microfinance Institution management software
* Money Manager Ex personal finance organizer
* Opentick — Market-data (U.S. Markets) source feed for software development
* PayThyme — Payroll software
* Posterita — Retail POS (Point of sales) software
* phpOrganisation
* Quasar Accounting
* QuickFIX — FIX protocol engine written in C++ with interfaces for several languages
* QuickFIX/J — FIX protocol engine written in Java
* QuotesViewer — Euronext stock quotes, watchlist
* Xpert — Fund accounting software for governments and schools
* SQL Ledger — Double-entry book-keeping
* TimeTrex — Payroll and Time Management
* TurboCASH — Double-entry book-keeping for Windows
* LAMP Accounts — LAMP based day to day business management software
See also: Comparison of accounting software
[edit] Integrated Library System
* Evergreen
* Koha
* PMB
* NewGenLib
* BiblioteQ
[edit] Mathematics
Main article: :Category:Free mathematics software
[edit] Modeling and Simulation
* PDQ (Pretty Damn Quick); a queue-theoretic analytic modeling package in C, Java, Python, Perl. and PHP
* SimPy; queue-theoretic event-based simulator written in Python
[edit] Science
Main article: :Category:Free science software
[edit] Geographic information system
Main article: :Category:Free GIS software
[edit] Plotting
Main article: :Category:Free plotting software
[edit] Scanning probe microscopy
* Gwyddion — Scientific data analysis
* Gxsm — Gnome X Scanning Microscopy - dsp supported scanning probe acquisition
[edit] Microscope image processing
* CellProfiler
* ImageJ
* Endrov
[edit] Molecule viewer
* Jmol
* Molekel
* PyMOL
[edit] Bioinformatics
* Bioclipse
* BioRails
[edit] Cheminformatics
* Chemistry Development Kit
* JOELib
* OpenBabel
[edit] Statistics
Main article: :Category:Free statistical software
[edit] Assistive technology
[edit] Speech (Speech Synthesis, Speech Recognition)
* Text2Speech — Lightweight and easy to use Text To Speech (TTS) Software
* Emacspeak — Audio desktop
* Festival Speech Synthesis System
* CMU Sphinx — Speech recognition software from Carnegie Mellon University
* Modular Audio Recognition Framework — voice, audio, speech, NLP processing
[edit] Other Assistive Technology
* Dasher — Unique text input software
* Gnopernicus — AT suite for GNOME 2
* PowerTalk — Automatic Text narration of presentations
* pVoice — Application for Augmentative and Alternative Communication (AAC)
* Virtual Magnifying Glass - a free, open source, multiplatform, screen magnification tool.
[edit] Data storage and management
[edit] Backup software
Main article: :Category:Free backup software
See also: List of backup software
[edit] File archivers
Main article: :Category:Free data compression software
[edit] File Systems
* OpenAFS -- a Distributed File System supporting a very wide variety of operating systems
[edit] Database management systems (including administration)
Main article: :Category:Open source database management systems
[edit] Data mining
* Weka -- data mining software written in Java featuring machine learning operators for classification, regression, and clustering.
* RapidMiner -- data mining software written in Java, fully integrating Weka, featuring 350+ operators for preprocessing, machine learning, visualization, etc.
* Scriptella ETL -- ETL (Extract-Transform-Load) and script execution tool. Supports integration with J2EE and Spring. Provides connectors to CSV, LDAP, XML, JDBC/ODBC and other data sources.
* Java Machine Learning Library -- machine learning library aimed at software developers.
[edit] Enterprise search engines
* Kneobase
[edit] Document editing
[edit] Office suite
Main article: :Category:Open source office suites
[edit] Word processing
Main article: :Category:Free word processors
[edit] Notetaking
Main article: :Category:Free notetaking software
[edit] PDF
Main article: :Category:Free PDF software
[edit] LaTeX
Main article: :Category:Free TeX software
[edit] Spreadsheet
Main article: :Category:Free spreadsheet software
[edit] Text editor
Main article: :Category:Free text editors
[edit] HTML editor
Main article: :Category:Free HTML editors
[edit] Educational
[edit] Educational Suites
* Tux Paint - An award-winning free paint application for 3-12 years old.
* ChildsPlay
* GCompris
* Docebo LMS
* IUP Portfolio
* Moodle
* eFront - A web-based Learning Management System
* gnuschool - A web-based Testing, Grading, and Attendance System
[edit] Learning support
Main article: :Category:Free learning support software
[edit] Language
* ForLatin
* Kiten
* KLettres
* KMessedWords
* KVerbos
* KVocTrain
* Nikamo - Open source language software for teaching human languages.
[edit] Typing
* KTouch
* Tux Typing
* TypeFaster Typing Tutor
* GNU Typist
[edit] Geography
* KGeography
[edit] Other educational programs
* Focus/SIS
* KEduca
* PSCafe POS
* iTALC — Classroom Management Software
[edit] File managers
Main article: :Category:Free file managers
[edit] Theology
[edit] Bible Study Tools
* BibleDesktop — For Cross-platform
* BibleTime — For Linux using K Desktop Environment
* GnomeSword — For Linux using GNOME
* Go Bible — For Java Mobile Phones
* jSword — For Java
* MacSword — For Mac OS X
* SwordBible — For Windows
* The SWORD Project for Windows — For Windows
[edit] Games
Main article: List of open source games
[edit] Genealogy
Main article: :Category:Free genealogy software
[edit] Graphical user interface
[edit] Windowing system
Main article: :Category:Free windowing systems
[edit] Desktop environments
Main article: :Category:Free desktop environments
[edit] Window managers
Main article: :Category:Free window managers
[edit] Groupware
Main article: :Category:Free groupware
[edit] Content management systems
Main article: :Category:Open source content management systems
[edit] Wiki software
Main article: :Category:Free wiki software
[edit] Workflow
* ProcessMaker OSS
[edit] Healthcare software
Main article: List of open source healthcare software
[edit] Media
[edit] Multimedia codecs / containers / splitters
Main article: :Category:Free multimedia codecs, containers, and splitters
[edit] Audio editors / audio management
* Ardour (audio processor)
* Audacity
* BashPodder
* CD-DA X-Tractor
* CDex
* Grip audio ripper
* JACK Audio Connection Kit
* Jokosher
* Linux MultiMedia Studio
* MusE
* OpenSebJ
* Pure Data
* Rosegarden
* Streamripper
* SoX
See Free audio software
[edit] Graphics
Main article: :Category:Free graphics software
[edit] Image galleries
Main article: :Category:Free image galleries
[edit] Image viewers
* Eye of GNOME
* F-spot
* Gqview
* Gthumb
* imgSeek
[edit] Media players
Main article: :Category:Free media players
[edit] Radio
* Dream DRM Receiver
[edit] Television
Main article: :Category:Free television software
[edit] 2D animation
* KToon
* Synfig
* Pencil
[edit] Flash animation
* UIRA
[edit] Video editing
* Avidemux
* AviSynth
* Cinelerra
* DScaler
* DVDx
* GNU VCDImager
* Jahshaka
* Kaltura
* Kino
* Kdenlive
* LiVES
* Mpeg2Schnitt
* VirtualDub
* VirtualDubMod
[edit] CD-writing software
Main article: :Category:Free CD writing software
[edit] Other Media packages
* Gnome Subtitles
* Celtx - Media Pre-production Software
[edit] Networking and Internet
[edit] E-mail
Main article: :Category:Free e-mail software
[edit] Instant messaging
Main article: :Category:Free instant messaging clients
[edit] Instant messaging servers
Main article: :List of Jabber server software
[edit] IRC Clients
Main article: :Category:Free IRC clients
[edit] RSS/Atom readers/aggregators
* RSS Bandit - Windows - .NET
* RSSOwl - Windows, Mac OS X, Solaris, Linux - Java SWT Eclipse
* Vienna - Mac OS X
* Akregator - Platforms running KDE
* Sage (Mozilla Firefox extension)
* Liferea - Platforms running GNOME
[edit] Communication-related
* 1videoConference — Open Source, P2P, Web2.0 and VoIP multipoint audio, video, text conferencing platform
* AccessGrid — Open Source, group to group, video, audio and application conferencing platform
* Asterisk — Telephony and VoIP server
* Ekiga — Video conferencing application for GNOME
* FreePBX — Front-end and advanced PBX configuration for Asterisk
* FreeSWITCH — Open Source telephony platform
* SIP Communicator— Java VoIP and Instant Messaging client
* sipX — SIP Communications Server
* Slrn — a newsreader
* Speak Freely — Internet voice chat
* Wengophone — Free Voice, Video and IM client application
* YATE — Advanced telephony engine
[edit] File transfer
Main article: :Category:Free file transfer software
[edit] P2P file sharing
Main article: :Category:Free file sharing software
See also: :Category:Free BitTorrent clients
[edit] Remote access And Management
* FreeNX
* GenControl — Based on VNC with GUI Interface.
* OpenVPN
* rdesktop
* Synergy
* VNC (RealVNC, TightVNC, Ultr@VNC)
* Purgos Windows Computer Management
* jrdesktop - Java Remote Desktop
[edit] Routing software
Main article: :Category:Free routing software
[edit] Web browsers
Main article: :Category:Free web browsers
[edit] Webcam
* Dorgem
* Fwink
* Cheese
[edit] Webgrabber
* cURL
* HTTrack
* Wget
[edit] Web-related
* Apache Cocoon — a web application framework
* Apache — the most popular web server
* AWStats — a log file parser and analyzer
* BookmarkSync — a tool for browsers
* HTTP File Server — a user friendly file server software with a drag and drop interface
* Distributed ICDL Crawler — an open source web crawler based on Website Parse Template
* lighttpd — Resource sparing but also fast and full featured HTTP Server
* NetKernel — an internet application server
* Roxen Webserver — Open Source web server
* Squid cache — web proxy cache
* Web-Developer Server Suite — a package of web applications including Apache, MySQL, and PHP
* XAMPP — a package of web applications including Apache and MySQL
* Zope — a web application server
[edit] Portal Server
* uPortal
[edit] Middleware
* Apache Axis2 - Web service framework (implementations are available in both Java & C)
* Apache Geronimo
* GlassFish Application Server
* Jakarta Tomcat — a servlet container and standalone webserver
* JBoss Application Server an application server
* ObjectWeb JOnAS — Java Open Application Server, a J2EE application server
* SmartVariables — a generic network-shared object application server
* JacORB — Java implementation of the OMG's CORBA standard
* TAO (software) — C++ implementation of the OMG's CORBA standard
* Webswell Connect — Integration tool based on WS web services, ebXML and AS2 standards.
[edit] Other networking programs
* OpenLDAP — an open source LDAP server
* JXplorer — an open source LDAP client
* openVXI — an open source VoiceXML interpreter
* YaCy — P2P-based search engine
* Simple del.icio.us Manager — Desktop manager for del.icio.us account
* Ionetworknode — an open source system for orchestrating interoperability services
* StorageIM — an open source storage resource management application
[edit] Operating systems
Be advised that available distributions of these systems can contain, or offer to build and install, added software that is neither free software nor open source.
Main article: :Category:Free software operating systems
[edit] Password management
* Ked Password Manager
* KeePass
* Password Safe
[edit] Personal information managers
* Chandler — In development by Mitch Kapor and the OSAF.
* KAddressBook
* KNotes
* KonsoleKalendar
* Kontact
* KOrganizer
* Mozilla Calendar — A Mozilla-based, multiplatform calendar program.
* Novell Evolution
* OpenSync (software)
* PIM Xtreme — Versatile application. For Windows.
* Rachota Timetracker — portable timetracking for projects. Open source. Windows, Linux, Solaris and Mac.
* Task Coach — Your friendly task manager.
* TreeLine
[edit] Programming language support
* ArgoUML — ArgoUML is a modelling tool that helps you design using UML diagrams
* CLISP — a Common Lisp interpreter and bytecode-compiler
* DJGPP — a 32-bit DOS port of GCC and other GNU utilities
* Eiffel
* Erlang
* Experix — command line and stack system for data acquisition and analysis and graphics
* Forth
* Free Pascal A Pascal compiler and cornerstone of the Lazarus RAD
* GCC — a set of compilers for multiple programming languages and platforms, including
o C
o C++
o Objective-C
o Ada
o Java
o Pascal
o Fortran
* GT.M is an open source MUMPS (a.k.a. M) compiler for Linux
* Harbour — compiler for the xBase superset language often referred to as Clipper
* Jikes — Java compiler
* LLVM — Optimizing compiler toolkit
* Logo — Derivative of Lisp without parenthesis, for kids, with Turtle Graphics
* Lua - a lightweight, reflective, imperative and procedural language, designed as a scripting language with extensible semantics as a primary goal.
* MinGW — Windows port of +GCC
* Mono development platform — Multi-platform .NET implementation (C#) based on the ECMA/ISO standards
* MMIXware — simulator for MMIXAL language and MMIX processor
* Objective CAML — a practical and fast functional OO language
* OpenJDK — Sun's Java Development Kit based completely on free and open source code
* Parser — a language for dynamic website creation
* Perl — a programming language strong on text processing
* PHP — a scripting language designed for web site applications
* Prolog — Logic programming
* Python — A high-level scripting language
* Refal
* Rexx
* Ruby — A high-level scripting language
* Ruby on Rails — Ruby-based web development framework
* StarUML — a software modeling tool and also platform that is a compelling replacement of commercial UML tools such as Rational Rose
* Tcl/Tk — A high-level scripting language with a graphical toolkit
[edit] Bug Trackers
* Bugzilla
* Mantis
* Mindquarry
* Trac
* SharpForge
* Track+
[edit] Code generators
* Bison
* CodeSynthesis XSD — XML Data Binding compiler for C++
* CodeSynthesis XSD/e — Validating XML parser/serializer and C++ XML Data Binding generator for mobile and embedded systems
* xmlbeansxx — XML Data Binding code generator for C++
* CodeWorker
* Flex lexical analyser
* Kodos
* phpCodeGenie
* Ragel State Machine Compiler
* Redet
* ^txt2regex$
[edit] Configuration Software
* Autoconf
* Automake
[edit] Integrated development environments
Main article: :Category:Open source integrated development environments
[edit] Version control systems
Main article: :Category:Free revision control software
[edit] Publishing
* Passepartout
* Scribus
[edit] e-Books
* OpenBerg Lector
* OpenBerg Rector
[edit] Screen savers
* Electric Sheep
* Flurry
* XScreenSaver
* Boinc
[edit] Security
[edit] Anti-virus
* ClamAV
* ClamWin
* Gateway Anti-Virus
[edit] Anti-spyware
* Winpooch
[edit] Encryption
* GnuPG
* KGPG
* AxCrypt
* NeoCrypt
* Seahorse
* Windows Privacy Tray
[edit] Disk encryption
* CrossCrypt
* FreeOTFE
* TrueCrypt
[edit] Firewall
* Coyote Linux
* eBox Platform
* fdgw
* Firestarter
* FWBuilder
* IPFilter
* ipfw
* IPCop
* M0n0wall
* PeerGuardian
* PF
* pfSense
* Rope
* SmoothWall
* Shorewall
* Untangle
[edit] Network/Security Monitoring
Main article: :Category:Open source network management software
[edit] ssh
* Lsh - server and client (supporting SRP and Kerberos authentication)
* OpenSSH — client/server
* PuTTY — client only
* Cyberduck — Mac OS X client only
[edit] Other security programs
Main article: :Category:Free security software
[edit] Other
* Active Calendar — A PHP class that generates calendars as HTML tables
* Astro123 — Generate and read your natal horoscope
* AstroGrep — Grep with a GUI
* BibleTime — Study Bible software
* BioEra — Neurofeedback software
* Bochs — PC emulator
* Bots — EDI software (communication and translation)
* Cygwin — open source Unix environment for Win32
* Ebase — Open source constituent relationship management developed especially for non-profit organizations
* Emdros — text database front end and back end
* Gnaural — Brainwave entrainment software
* GNUpod — iPod database manager
* gtkpod — iPod software
* iPod Shuffle Database Builder
* Jitterbit_Integration_Server — Commercial Open Source Data and Application Integration Platform
* Kidzbrowser — Browser for children
* Link Checker — checks HTML documents for broken links
* MarZerUI — Application/File/Folder/Website manager for Windows XP computers
* Memtest86 — stress-tests RAM on x86 machines
* mywebcreator — A package for creating online diaries
* Open Scene Graph
* OrangeHRM — Commercial Open Source Human Resource Management
* Project.net — Commercial Open Source Project Management
* Paragent; Commercial Open Source Desktop Management Software
* QEMU — CPU emulator featuring support for multiple architectures
* refbase
* Rockbox — Alternate firmware for many portable media players, such as iPods.
* SugarCRM — Commercial Open Source Customer Relationship Management
* Sun Grid Engine — distributed batch job scheduling system
* SuperKaramba Desktop widget integration in KDE
* Treepie.sf.net — Folder size visualization
* Vitrite — allows transparency in Windows 2000/XP programs
* WINE — Windows executable support on Linux/BSD
* WinMerge — highlights differences between textual files
* ZScreen — Uploads screenshots via FTP and puts the URL in clipboard
* XUI — Java and XML Rich Internet Application framework