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Open Education and the Shared Roots of Openness

Members Newsletter – March 2026 Dear OSI supporters, Every March, Open Education Week invites us to reflect on something that...

March 11, 2026 Post
Open Source Initiative, and Open Source Software Movement Celebrate Twenty Years

The Open Source Initiative will celebrate its 20th Anniversary in 2018. In the true open source spirit, the organization will...

October 23, 2017 Post
On the side of the Open Source ecosystem

Members Newsletter – June 2025 May was a full immersion into some of the largest components of the Open Source...

June 4, 2025 Post
Open Source AI Deep Dive

Why Artificial Intelligence needs to be Open Source? Open Source software (OSS) succeeds because anyone can learn, use, share, and...

October 18, 2024 Page
Open Source Licenses by Category

License Index License Approval Process License Information Origins and definitions of categories from the License Proliferation Committee report In the...

September 19, 2006 Page
Building Public Data for LLMs

Part of the Deep Dive: Data Governance Webinar Series As the capabilities and influence of large language models (LLMs) continue to expand,...

October 7, 2025 Page
OSI Board Meeting Minutes, Fall 2019 Face-to-Face

Meeting called to order (quorum): November 12, 2019, 9:20 a.m. CET Zalando Offices Tamara-Danz-Straße 1, 10243 Berlin, Germany Attendees Board...

April 10, 2020 Meeting Minutes
International Authority & Recognition

The Open Source Initiative (OSI), Open Source Definition (OSD) and OSI Approved Open Source Licenses are internationally recognized, and affirmed...

April 21, 2015 Page
Episode 2: transcript

“AT: We know that a lot of the technological stack of AI systems is open. It's based — funded on...

August 23, 2022 Post
GNU General Public License version 3

Preamble The GNU General Public License is a free, copyleft license for software and other kinds of works. The licenses...

October 23, 2007 License
May is Maintainer Month: Celebrating those who secure Open Source

Update: the OSI has published a page dedicated to sharing stories from maintainers. Maintainer Month returns this May, and the...

April 22, 2025 Post
Episode 4: transcript

“DGW: Some people just want to download the software and make porn with it. And if they don't know how...

September 6, 2022 Post