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...

rights to use, study, change, and distribute the software and its source code to anyone and for any purpose. Open-source software may be developed in a collaborative...

The Open Source Initiative (OSI) is the steward of the Open Source Definition, the most widely used standard for open-source software. Founded in 1998...

models for open-source software Comparison of open-source and closed-source software Diversity in open-source software MapGuide Open Source, a web-based...

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

Free and open-source software portal Comparison of version-control software Distributed version control Forge (software) List of free software project...

their freedoms. Proprietary software is a subset of non-free software, a term defined in contrast to free and open-source software; non-commercial licenses...

and open-source software are much narrower. Free software and/or open-source software is also always source-available software, but not all source-available...

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

a list of open-source software to be used for high-order mathematical calculations. This software has played an important role in the field of mathematics...