|Founded||March 31, 2014|
|Legal status||501(c)(6) organization|
|Headquarters||Redmond, Washington, U.S.|
The .NET Foundation is an organization incorporated on March 31, 2014, by Microsoft to improve open-source software development and collaboration around the .NET Framework. It was launched at the annual Build 2014 conference held by Microsoft. The foundation is license-agnostic, and projects that come to the foundation are free to choose any open-source license, as defined by the Open Source Initiative (OSI). The foundation uses GitHub to host the open-source projects it manages.
The foundation began with twenty-four projects under its stewardship including .NET Compiler Platform ("Roslyn") and the ASP.NET family of open-source projects, both open-sourced by Microsoft Open Technologies, Inc. (MS Open Tech). Xamarin contributed six of its projects including the open source email libraries MimeKit and MailKit. As of July 2015[update], it is the steward of thirty-six projects, including: .NET Core, Entity Framework (EF), Managed Extensibility Framework (MEF), Umbraco, MSBuild, NuGet, Orchard CMS and WorldWide Telescope. Many of these projects are also listed under Outercurve Foundation project galleries.
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- "About the .NET Foundation". .NET Foundation.
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- Paoli, Jean (April 3, 2014). ".NET Foundation Established to Foster Open Development". MS Open Tech. Archived from the original on 2015-05-21. Retrieved 2015-05-21.
- "Frequently Asked Questions (FAQ)". .NET Foundation.
- ".NET Foundation". GitHub.