.NET Foundation

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Supporting open source .NET

The .NET Foundation is an independent non-profit supporting the innovative, commercially-friendly, open source .NET ecosystem.

Fostering community and corporate collaboration
Supporting top .NET open source projects
Working across the .NET open source community.

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Over 1200 worldwide meetups.
Built by community and industry leaders.
Strong open source ecosystem.

Join a community of millions of developers. Leverage the large ecosystem of components, Open Source software, and online communities support.

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.NET Foundation Sponsored Meetups

Developers meet every day in .NET user groups, all around the world. Join a local user group to engage with other .NET developers to learn, find opportunities or hire .NET developers for your project.

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Events In A Box

Need a presentation or worshop materials for your .NET event? Take a look at our collection of .NET presentations, complete with slides, code, and workshop scripts. Everything you need, from a one hour intro to a 2 day course!

Presentation List

.NET News and Blogs

.NET Framework May 2018 Preview of Quality Rollup

Today, we are releasing the May 2018 Preview of Quality Rollup.

Using LazyCache for clean and simple .NET Core in-memory caching

I'm continuing to use .NET Core 2.1 to power my Podcast Site,

Announcing .NET Core 2.1 RC 1 Go Live AND .NET Core 3.0 Futures

I just got back from the Microsoft BUILD Conference where Scott Hunter and I announced both .NET Core 2.

.NET Core May 2018 Update

Today, we are releasing the .NET Core May 2018 Update. This update includes .NET Core 2.1.200 SDK and ASP.NET Core 2.0.8.

.NET Framework May 2018 Security and Quality Rollup

Today, we are releasing the May 2018 Security and Quality Rollup.

F# language and tools update for Visual Studio 2017 version 15.7

We’re excited to share updates about changes to F# and F# tools which shipped with the Visual Studio 2017 version 15.

Introducing ML.NET: Cross-platform, Proven and Open Source Machine Learning Framework

Today at //Build 2018, we are excited to announce the preview of ML.NET, a cross-platform,

Events and Meetups

Chicago Azure Cloud Users Group

Join our Wednesday Webinar Series on May 16th 2018 at 1.00 pm - 1.30 pm CSTTopic :

Triangle .NET User Group

Learn about testing advancements in ASP.NET Core.

NYC .NET Developers

OVERVIEWJoin us this month as Alex Shkabarnya does a deep dive on .NET Standard.

Louisville .NET Meetup Group

• What we'll do We will meet on Thursday, May 17th, 2018 at Modis' offices at 101 Bullitt Lane.

Ottawa IT Community

4:30 to 5:00pm Networking and Pizza5:00 PM:

Metro Toronto .NET User Group

Title: Smart Contract Blockchain Development using .NET, C# and Visual StudioAbstract:

Columbia Enterprise Developers Guild

• What to bring - A Laptop - Your favorite language.

New York ALT.NET Software Development Group

TopicTBDThis meeting will be held at the Microsoft offices as usual.

New York City F# User Group

I'm very happy to announce that one of our own members, Brian Mitchell,

A large and growing ecosystem

515

repositories

55

member projects

25,000

developers contributing

1700

companies contributing

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.

Open Source Software Foundations: Not Totally Boring, Actually Super Awesome - Jon Galloway from NDC Conferences on Vimeo.

Why .NET?

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

Samsung
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