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Portal:Free and open-source software/Terminology

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Alternative terms for free software, such as open source, FOSS, and FLOSS, have been a recurring issue among free and open-source software users from the late 1990s onwards. These terms share almost identical licence criteria and development practices.

In 1983 Richard Stallman launched the free software movement and founded the Free Software Foundation to promote the movement and to publish its own definition. Others have published alternative definitions of free software, notably the Debian Free Software Guidelines. In 1998, Bruce Perens and Eric S. Raymond began a campaign to market open-source software and founded the Open Source Initiative, which espoused different goals and a different philosophy from Stallman's. (Full article...)

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