Open Source at Microsoft

First published on MSDN on Jul 19, 2017

Thousands of Microsoft engineers use, contribute to and release open source every day across every platform, from the cloud to client operating systems, programming languages and more. So if your struggling finding repos at http://github.com there is now a search feature built into the http://opensource.microsoft.com site which also lists the top trending repo.

Popular projects include Visual Studio Code , TypeScript , and .NET . Microsoft's open source code is released under Open Source Initiative -approved licenses such as MIT and Apache 2.0.

Explore Microsoft open source

Community resources

Discover Microsoft-released open source

At opensource.microsoft.com you can explore open source that Microsoft teams have released and are collaborating with the broader community of software engineers.

Browse opensource.microsoft.com

Microsoft Open Source Code of Conduct

The Microsoft Open Source Code of Conduct outlines expectations for participation in Microsoft-managed open source communities, as well as steps for reporting unacceptable behavior.

Microsoft Open Source Code of Conduct

Microsoft Contributor License Agreements

We appreciate community contributions to code repositories governed by Microsoft. By signing a contribution license agreement, we ensure that the community is free to use your contributions.

Microsoft contributor license agreement

Third-party disclosures

An archive of notices and source code for certain third-party components shipped with Microsoft products, in accordance with the corresponding licenses that contain disclosure obligations.

Review notices and archives

Other resources

Microsoft + Open Source Marketing

Open dialogue about openness at Microsoft – open source, standards, interoperability, and the people and companies who inspire our commitment.

Check out open.microsoft.com

.NET Foundation

The .NET Foundation is an independent organization to foster open development and collaboration around the .NET ecosystem. It serves as a forum for community and commercial developers alike to broaden and strengthen the future of the .NET ecosystem by promoting openness and community participation to encourage innovation.

About the .NET Foundation