The steward of the Open Source Definition, setting the foundation for the Open Source Software ecosystem.
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Open Source Initiative Executive Director search begins
OSI is now opening its search for a new executive director. We are greatly appreciative of Maffulli’s work over the last four years and look forward to what our next ED will build upon his foundation.
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Open Source Congress 2025 and Stakeholder Day: building a global agenda for Open Source
On 16–17 September 2025, leaders from across the Open Source ecosystem gathered in Brussels for the third annual Open Source Congress (OSC), followed by the companion Stakeholder Day. Each year, the Congress has provided an intimate forum for foundations and ecosystem leaders to exchange views on the global forces shaping open collaboration.
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Hacktoberfest and the OSI: Growing Open Source adoption
October is here, which means it’s time for Hacktoberfest, the annual celebration of Open Source contributions hosted by DigitalOcean and friends. The Open Source Initiative (OSI) is proud to be once again a community partner of Hacktoberfest this year, helping to amplify participation and welcome new contributors to the Open Source movement.
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OSI charts next phase for the organization with executive director search
The Open Source Initiative (OSI) will begin searching for a new executive director as Stefano Maffulli departs in October to focus on Open Source AI and data governance.
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Keep changing: How Open Source has to continually evolve
Wrapping up 4-year term as OSI executive director.