Some events in the history of Free and Open Source Software were turning points, decisive to its evolution, and some of these events were materialized through documents. Here is a chronological series of important documents of FOSS history.

  • September 27th, 1983: Richard Stallman announces the plan for the GNU operating system on several Arpanet mailing lists and a newsgroup on Usenetsource:
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  • March, 1985: Richard Stallman writes the “The GNU Manifesto“, published on “Dr. Dobb’s Journal of Software Tools”, page 30, Volume 10, Number 3, March, 1985 – IISN 1044-789X. source
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  • August 26th, 1991: Linus Torvalds, then a 21-year-old student at the University of Helsinki, Finland, announced the development of an Operating System based on his Minix-like kernel (later called Linux) and GNU software, in a post at comp.os.minix, a newsgroup on Usenetsource:
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  • May 5th, 1992: Linus releases Linux Kernel under GNU’s GPLsource
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  • July 16th, 1993: Slackware Linux Distribution was officially announced by Patrick Volkerdingsource
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  • August 16th, 1993: The Debian Project was officially founded by Ian Murdocksource
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  • July 4th, 1997: The Debian Project launches the “Debian Social Contract” (ratified next day). source:
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  • More to come…source