Json.NET is a popular high-performance JSON framework for .NET

Simple REST and HTTP API Client for .NET

Incredibly simple real-time web for .NET

Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono

The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

Share and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows.

Simple, powerful, cross-platform SQLite client and ORM for .NET

Inbox2 deskop client

Tool for converting WebForms Views to Razor (C# Only)

Notepad.exe as Git commit editor

A basic framework for C# desktop apps

.net virtual machine in JavaScript