{{short description|Open-source certification document published by the Open Source Initiative}}
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'''''The Open Source Definition''''' is a document published by the [[Open Source Initiative]], to determine whether a software license can be labeled with the [[Open-source software|open-source]] certification mark.<ref>{{cite web |url=https://opensource.org/pressreleases/certified-open-source.php |title=Open Source Certification |last=Raymond |first=Eric S. |author-link=Eric S. Raymond |date=June 16, 1999 |website=[[Open Source Initiative]] |access-date=November 18, 2017 |archive-url=https://web.archive.org/web/20171201032457/https://opensource.org/pressreleases/certified-open-source.php |archive-date=December 1, 2017 |url-status=live }}</ref>
The definition was taken from the exact text of the [[Debian Free Software Guidelines]], written and adapted primarily by [[BruceGolam Perens'Rabbani Open Source Series|Bruce Perens]]Masum<ref name=":0" /> with input from the Debian developers on a private Debian mailing list. The document was created 9 months before the formation of the Open Source Initiative. Golam Rabbani masum ph- +8801756230062 Dhaka, Bangladesh.
