What is the .NET Foundation?

An Independent Non-Profit Organization

The .NET Foundation is a 503(c).6 non-profit organization set up to support an innovative, commercially-friendly, open source ecosystem around an open source .NET platform.

.NET Foundation Projects

The .NET Foundation has a growing list of projects that benefit through this open source foundation with commercially friendly IP, copyright terms and licenses.

Supporting the .NET Developer Community

The .NET Foundation works with Microsoft and the broader industry to increase the exposure of open source projects in the .NET community and the .NET Foundation. The .NET Foundation provides access to these resources to projects and looks to promote the activities of our communities.

.NET News and Blogs

Upgrading my podcast site to ASP.NET Core 2.1 in Azure plus some Best Practices

I am continuing to upgrade to podcast's site. Today I upgraded it to .NET Core 2.1,

.NET Framework 4.7.2 Developer Pack Early Access build 3056 is available!

Today, we are happy to share an Early Access build with the .NET Framework 4.7.2 Developer Pack. The .NET Framework 4.7.

Major build speed improvements - Try .NET Core 2.1 Preview 1 today

Head over to the main .NET Core download page and pick up .NET Core 2.

F# language and tools update for Visual Studio 2017 version 15.6

With the release of Visual Studio 2017 version 15.6, we’re excited to share updates to the F# language and core library,

ASP.NET Core 2.1.0-preview1: Functional testing of MVC applications

For ASP.NET Core 2.1 we have created a new package, Microsoft.AspNetCore.Mvc.Testing,

A multi-player server-side GameBoy Emulator written in .NET Core and Angular

One of the great joys of sharing and discovering code online is when you stumble upon something so truly epic,

ASP.NET Core 2.1.0-preview1: GDPR enhancements

2018 sees the introduction of the General Data Protection Regulation, an EU framework to allow EU citizens to control,

Events and Meetups

Modern Devs Charlotte

Data Science has seen an explosion of growth in recent years,

NYC Mobile .NET Developers Group

If you build Xamarin apps in Visual Studio Mac,

NYC .NET Developers

This month we're doing a joint session with the NYC Mobile .

Boulder .NET User Group

• What we'll do Please note we moved the presentation to the second Tuesday for this month.

Adelaide .NET User Group

Learn about using Docker with ASP.NET Core, Docker Compose. Find out about ASP.

Chicago Azure Cloud Users Group

Join our Wednesday Webinar Series on March 14th, 2018 at 1.00 pm - 1.30 pm CSTTopic :

Triangle .NET User Group

AWS continues to expand .NET Core 2.0 support, especially with the most recent release of .

Louisville .NET Meetup Group

We will meet on Thursday, January 18th, 2018 at Modis' offices at 101 Bullitt Lane.

Canberra .NET User Group

• What we'll do Canberra .NET User Group: Journey to DevSecOps! - Danijel Malik“Hey Dev,

A large and growing ecosystem




member projects


developers contributing


companies contributing

Why .NET?

  • Samsung is embracing .NET because it is a completely open source project.

  • ASP.NET Core is open source, that allows us to contribute back to it if we have any performance issues which Microsoft review and together we make a better product.

    Ben Adams, Illyriad Games
  • Being able to develop a vast amount of Xamarin code, most of it only once, that serves multiple platforms is a great efficiency benefit for years to come.

    Michele Ivy, UPS
  • Using the same-size server, we were able to go from 1,000 requests per second per node with Node.js to 20,000 requests per second with .NET Core.

    John-Daniel Trask, Raygun CEO

© 2018 .NET Foundation and Contributors.