THE open source ai definition 1.0

We have released the first stable version of the Definition.

About the Open Source Initiative

The OSI is the authority that defines Open Source, recognized globally by individuals, companies, and by public institutions.

World speaking sticker

The leading voice on the policies and principles of open source

Protecting the Open Source ecosystem

We support institutions and individuals working together to create communities of practice in which the healthy open source ecosystem thrives.

We are hiring!

From the blog

Highlights from the Digital Public Goods Alliance Annual Members Meeting 2024
The Digital Public Goods Alliance (DPGA) Annual Members Meeting was an inspiring gathering of innovators, developers and advocates working to create a thriving ecosystem for Digital Public Goods (DPGs).
Give Your Input on the State of Open Source Survey
The OSI has partnered again with OpenLogic by Perforce to produce a comprehensive report on global, industry-wide Open Source software adoption trends. The 2025 State of Open Source Report will be based on responses to a …
Open Data and Open Source AI: Charting a course to get more of both
The Open Source Initiative organized a workshop to discuss data sharing and governance for AI training. This is a teaser of a whitepaper coming in a few weeks.
The Open Source Initiative and the Eclipse Foundation to Collaborate on Shaping Open Source AI (OSAI) Public Policy
The Eclipse Foundation and the Open Source Initiative (OSI) have signed a Memorandum of Understanding (MOU) to collaborate on promoting the interest of the open source community in the implementation of regulatory initiatives on Open Source …

Support Open Source

As a public charity organization, OSI is supported by donations of corporations and individuals. Thanks to our sponsors that support our vision to be the leading voice on policies and principles of Open Source.

Our programs are supported by

And people like you! Become an individual member today.

View all sponsors

Upcoming Open Source Events

No Events

OpenSource.net is a resource for the community

The news site a not-for-profit platform for sharing knowledge, perspectives and advocacy to support a healthy open ecosystem.

The Open Source Initiative in the news