The Open Source Initiative | Open Source Initiative |

Open source software is software that can be freely used, changed, and shared (in modified or unmodified form) by anyone. Open source software is made by many people, and distributed under licenses that comply with the Open Source Definition.

The Open Source Initiative (OSI) is a global non-profit that supports and promotes the open source movement. Among other things, we maintain the Open Source Definition, and a list of licenses that comply with that definition. See our about and history pages for more.

OSI is a member-based organizationjoin and support us!

February 2, 2014: January '14 Newsletter The OSI published its latest newsletter with updates on Affiliate activities, member profiles and news and events. see it now...

Nov 21, 2013: Hello OSI Community Members As our new General Manager, I'd like to take a few moments to introduce myself, and also provide a bit more information about both the new GM role itself, as well as some of the new programs identified by the OSI Board of Directors to extend and enable our mission. Read more...

Oct 22, 2013: OSI Names New General Manager: Newly Appointed General Manager Patrick Masson Joins OSI from University of Massachusetts. Read more...

July 24, 2013: Election Result: Individual Members elect Richard Fontana as new OSI Director. Read more...

June 14, 2013: Board News: OSI opens recruitment for General Manager. Read more...

May 11, 2013: Board Report: The OSI Board has made plans for the election of the first Individual Member Director, as well as to hire OSI's first General Manager. Read more...

May 2, 2013: Affiliates Select New OSI Director Read more...

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The Open Source Initiative | Open Source Initiative

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