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State of the Source at ATO 2025: Licensing 201

In October, the OSI hosted the State of the Source Track at All Things Open designed to connect developers with...

October 31, 2025 Post
OSI Board Meeting Minutes, Wednesday, September 5, 2007

Attendees: Mr. Michael Tiemann, President Ms. Danese Cooper, Secretary and Treasurer Mr. Russell Nelson, Director Ms. Alolita Sharma, Director Mr....

March 1, 2008 Meeting Minutes
MITRE Collaborative Virtual Workspace License

(MITRE has ceased to use or recommend this license) Collaborative Virtual Workspace License (CVW) License Agreement General Redistribution of the...

October 31, 2006 License
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
Licence Libre du Québec – Réciprocité forte version 1.1

1. Préambule Cette licence s’applique à tout logiciel distribué dont le titulaire du droit d’auteur précise qu’il est sujet aux...

January 18, 2016 License
Darshan Sen

Hi, I’m Darshan Sen, an award-winning Governance Member of high-profile Open Source projects such as Node.js and Electron. If you...

May 20, 2025 Page
Well It Was Twenty Years Ago Today…

It was early June in 1987 when Richard Stallman announced the release of the GNU C compiler version 1.0. As...

June 11, 2007 Post
The importance of Open Source AI and the challenges of liberating data

(This post is taken from a speech given remotely at LLW 2023 by OSI Executive director Stefano Maffulli) The conference...

May 4, 2023 Post
Open Source Success in Schools – Something to make a “FUSS” about

Since he was a child, Marco Marinello has always found computers and how they operate intriguing. His father introduced him...

August 6, 2019 Post
Karl Horky: From Papercuts to Standards

Hi, I’m Karl Horky (GitHub, LinkedIn), Technical Founder at UpLeveled - tech education programs for all skill levels. In an...

May 20, 2025 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
Frequently Answered Questions

Here are answers to questions we are frequently asked. If you have a question not addressed here, please contact us. Basics...

October 21, 2007 Page