.NET Developer Community

World map
474,800+ stars on GitHub 330,900+ followers on X 329,400+ members on Meetup

Get connected!

Join millions of developers around the globe building apps with and contributing to .NET.

Keep up to date

Where to learn

Where to connect

Ask us

Ask the community

Meetups & Events

Latest news

Unlocking the Power of GitHub Copilot for .NET Developers with Instruction Files and Prompt Files

September 17, 2025

Prompt Files and Instructions Files Explained
Learn how Application Insights Code Optimizations helps .NET developers identify performance bottlenecks and get AI-powered recommendations through GitHub Copilot integration.

September 15, 2025

Application Insights Code Optimizations for .NET Apps
Take a tour through hundreds of performance improvements in .NET 10.

September 10, 2025

Performance Improvements in .NET 10
.NET 10 Release Candidate 1 is available with improvements across the runtime, SDK, libraries, ASP.NET Core, Blazor, .NET MAUI, and more!

September 9, 2025

Announcing .NET 10 Release Candidate 1

Visit the .NET Blog

Upcoming events

Azure Dev Summit

October 13, 2025
.NET Conf 2025

November 11, 2025

Browse all events

Microsoft.Source newsletter

Subscribe to our monthly newsletter to get the latest information from Microsoft about new technology, interesting finds, product news, and events near you.

Newsletter sign-up