.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

DataStructures and algorithms

Tools that provide common build infrastructure for multiple .NET Foundation projects.

Low allocation async/await for C#/.NET

The Microsoft.VisualStudio.Threading is a xplat library that provides many threading and synchronization primitives used in Visual Studio and other applications.

Demo of the potential of C# for systems programming with the .NET native ahead-of-time compilation technology.

Scalable ring buffer for storing messages

Ethr is a Comprehensive Network Measurement Tool for TCP, UDP & ICMP.

[Archived] A cross platform web server for ASP.NET Core. Project moved to https://github.com/aspnet/AspNetCore