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

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

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,...

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

open collaboration. The open-source movement was started to spread the concept/idea of open-source software. Programmers who support the open-source-movement...

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

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

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

The Open Source Initiative (OSI) is the steward of the Open Source Definition, the set of rules that define open source software. It is a California public-benefit...

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...