List of free and open-source software packages

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This is a list of free and open source software packages: computer software licensed under free software licenses and open source licenses. Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open source.[1] For more information about the philosophical background for open source software, see free software movement and Open Source Initiative. However, nearly all software meeting the Free Software Definition also meets the Open Source Definition and vice versa. A small fraction of the software that meets either definition is listed here.


Applied fields[edit]

Artificial intelligence[edit]

  • General
    • OpenCog A project that aims to build an artificial general intelligence (AGI) framework. OpenCog Prime is a specific set of interacting components designed to give rise to human-equivalent artificial general intelligence.
  • Computer Vision
    • AForge.NET Computer Vision, Artificial Intelligence and Robotics library for the .NET Framework
    • OpenCV Computer Vision Library in C++
  • Machine Learning
  • Planning
    • TREX Reactive planning
  • Robotics
    • ROS Robot Operating System


Electronic design automation (EDA)[edit]

Computer simulation[edit]

  • Blender; 3D modeling software written in Python and C++ that can make animations and graphics for games
  • SimPy; queue-theoretic event-based simulator written in Python
  • flightgear is an open source flight simulator written for Windows, Mac OS X, and GNU/Linux.


Integrated Library System[edit]

Image editor[edit]

  • GIMP — GNU Image Manipulation Program
  • Inkscape - An Open Source vector graphics editor.


Reference management software[edit]




Geographic Information Systems[edit]

Grid Computing[edit]

  • P-GRADE Portal — Grid portal software enabling the creation, execution and monitoring of workflows through high-level Web interfaces

Microscope image processing[edit]

Molecular dynamics[edit]

Molecule viewer[edit]





Assistive technology[edit]

Speech (synthesis and recognition)[edit]

Other assistive technology[edit]

Data storage and management[edit]

Backup software[edit]

Database management systems (including administration)[edit]

Data mining[edit]

Data Visualization Components[edit]

  • ParaView plotting and visualization functions developed by Sandia National Laboratory, capable of massively parallel flow visualization utilizing multiple computer processors
  • VTK is a toolkit for 3D computer graphics, image processing and visualization.

Digital Asset Management software[edit]

  • OpenDAM, Free Open Source Digital Asset Management for enterprise content management integration, to manage image, pictures and video files.

Disk partitioning software[edit]

Enterprise search engines[edit]

ETLs (Extract Transform Load)[edit]

File archivers[edit]

File Systems[edit]

Networking and Internet[edit]



  • Asterisk — Telephony and VoIP server
  • Ekiga — Video conferencing application for GNOME and Microsoft Windows
  • FreePBX — Front-end and advanced PBX configuration for Asterisk
  • FreeSWITCH — Telephony platform
  • Jitsi — Java VoIP and Instant Messaging client
  • Opencall — PHP based inbound call tracking platform
  • OpenSER — SIP proxy server, call router, and user agent registration server.
  • QuteCom — Free Voice, Video and IM client application
  • sipX — SIP Communications Server
  • Slrn — a newsreader
  • Twinkle — VOIP softphone
  • LibSourcey — STUN/TURN server stack for WebRTC deployments


File transfer[edit]

Instant messaging[edit]

IRC Clients[edit]


RSS/Atom readers/aggregators[edit]

Peer-to-peer file sharing[edit]

Portal Server[edit]

Remote access and management[edit]

Routing software[edit]

Web browsers[edit]




  • Apache Cocoon — a web application framework
  • Apache — the most popular web server
  • AWStats — a log file parser and analyzer
  • BookmarkSync — a tool for browsers
  • Cherokee — Speedy, feature rich HTTP Server
  • CougarXML — a Javascript framework for parsing and manipulating XML code, based on W3C DOM Level-3 specifications.
  • curl-loader — a powerful HTTP/HTTPS/FTP/FTPS loading and testing open-source tool
  • Hiawatha — Secure, high performance and easy-to-configure HTTP Server
  • HTTP File Server — a user friendly file server software with a drag and drop interface
  • ICDL Crawling — a distributed web crawler based on Website Parse Template
  • lighttpd — Resource sparing but also fast and full featured HTTP Server
  • nginx — lightweight, high performance web server/reverse proxy and e-mail (IMAP/POP3) proxy
  • NetKernel — an internet application server
  • Piwik — a web analytics system
  • Qcodo — a PHP5 framework
  • Railo — CFML Application Server
  • Squid (software) — web proxy cache
  • XAMPP — a package of web applications including Apache and MySQL
  • Zope — a web application server

Other networking programs[edit]


Educational suites[edit]

  • ATutor — a web-based Learning Content Management System (LCMS)
  • Chamilo — a web-based e-learning and content management system
  • DoceboLMS
  • eFront — an icon-based learning management system
  • GCompris
  • Gnaural — Brainwave entrainment software
  • IUP Portfolio
  • ILIAS — a web-based learning management system (LMS)
  • Moodle
  • Omeka
  • openSIS — a web-based Student Information and School Management System system
  • Sakai Project — a web-based learning management system
  • SWAD - a web-based learning management system
  • Tux Paint — a paint application for 3–12 year olds


Learning support[edit]



Other educational programs[edit]

File managers[edit]


Application layer[edit]


Graphical user interface[edit]

Desktop environments[edit]

Window managers[edit]

Windowing system[edit]


Content management systems[edit]

Wiki software[edit]

Healthcare software[edit]


2D animation[edit]

3D animation[edit]

Audio editors / audio management[edit]

CD-writing software[edit]

Flash animation[edit]


Image galleries[edit]

Image viewers[edit]

Multimedia codecs / containers / splitters[edit]


Video converters[edit]

Video editing[edit]

Video encoders[edit]

Video players[edit]

Other media packages[edit]

Operating systems[edit]

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.

Emulation and Virtualisation[edit]

Password management[edit]

Personal information managers[edit]

Programming language support[edit]

Bug trackers[edit]

Code generators[edit]

Configuration software[edit]

Debuggers (for testing and trouble-shooting)[edit]

Integrated development environments[edit]

Version control systems[edit]




Data loss prevention[edit]

Data recovery[edit]


Disk erasing[edit]


Disk encryption[edit]


Network and security monitoring[edit]

Secure Shell (ssh)[edit]

Other security programs[edit]


Bible study tools[edit]


See also[edit]

General directories[edit]


  1. ^ Richard Stallman (July 13, 2011). "Why Open Source misses the point of Free Software". Retrieved August 24, 2011. 

External links[edit]

General Directories[edit]

Open source for Windows[edit]