Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the...

Open-source software (OSS) is computer software that is released under a license in which the copyright holder grants users the rights to use, study,...

Free and open-source software (FOSS) is software that is available under an open-source license that grants the right to use, modify, and distribute the...

Open source intelligence (OSINT) is the collection and analysis of data gathered from open sources (overt sources and publicly available information)...

The open-source software movement is a social movement that supports the use of open-source licenses for some or all software, as part of the broader...

Open-source licenses are software licenses that allow content to be used, modified, and shared. They facilitate free and open-source software (FOSS) development...

This is a listing of open-source codecs—that is, open-source software implementations of audio or video coding formats, audio codecs and video codecs...

Open-source hardware (OSH, OSHW) consists of physical artifacts of technology designed and offered by the open-design movement. Both free and open-source...

of open-source software (OSS) employ a variety of business models to solve the challenge of making profits from software that is under an open-source license...

This is a list of notable open-source video games. Open-source video games are assembled from and are themselves open-source software, including public...

The Open Source Definition (OSD) is a document published by the Open Source Initiative. Derived from Bruce Perens' Debian Free Software Guidelines, the...

Open-source Judaism is a name given to initiatives within the Jewish community employing open content and open-source licensing strategies for collaboratively...

The Open Source Initiative (OSI) is a California public benefit corporation "actively involved in Open Source community-building, education, and public...

This is a list of open-source hardware projects, including computer systems and components, cameras, radio, telephony, science education, machines and...

Open-source governance (also known as open governance and open politics) is a political philosophy which advocates the application of the philosophies...

Open-source software development (OSSD) is the process by which open-source software, or similar software whose source code is publicly available, is developed...

An open-source video game, or simply an open-source game, is a video game whose source code is open-source. They are often freely distributable and sometimes...

a list of free and open-source software packages (FOSS), computer software licensed under free software licenses and open-source licenses. Software that...

Free/open-source software – the source availability model used by free and open-source software (FOSS) – and closed source are two approaches to the distribution...

Open-source journalism, a close cousin to citizen journalism or participatory journalism, is a term coined in the title of a 1999 article by Andrew Leonard...

Open-source films (also known as open-content films and free-content films) are films which are produced and distributed by using free and open-source...

Open-source artificial intelligence is an AI system that is freely available to use, study, modify, and share. These attributes extend to each of the...

The O'Reilly Open Source Convention (OSCON) was an American annual convention for the discussion of free and open-source software. It was organized by...

ProductHunt.com. He is a technology evangelist who is an advocate for open source, open standards, microformats, and OAuth. Messina is also known for his...

The open-core model is a business model for the monetization of commercially produced open-source software. The open-core model primarily involves offering...

information. This includes the making of both free and open-source software (FOSS) as well as open-source hardware. The process is generally facilitated by...

Open-source architecture is an emerging paradigm advocating new procedures in the imagination and formation of virtual and real spaces within a universal...

Open Source Ecology (OSE) is a network of farmers, engineers, architects and supporters, whose main goal is the eventual manufacturing of the Global Village...

The Open Source Enterprise (OSE) is a United States Government organization dedicated to open-source intelligence. Initially part of the Office of the...

For more information on the use of the term open source in connection with films, see Open source film....