UnrealSharp is a plugin to Unreal Engine 5, which enables developers to create games using C# (.NET 9) with Hot Reload

A .NET library to parse XML at lightspeed with zero allocation.

The extra fast, low memory footprint YAML library for C#, focued on .NET and Unity.

A high-performance C# based Archetype & Chunks Entity Component System (ECS) with optional multithreading.

FNA - Accuracy-focused XNA4 reimplementation for open platforms

Microsoft Public GDK

Fast and lightweight parser creation tools

Roslyn analyzers for Unity game developers

A .NET document database working on any RDBMS

Javascript Interpreter for .NET

Dexer is an open source framework, written in C#, that reads and writes .DEX files (Dalvik Executable Format) used by the Android Open Source Project.

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

Mono open source ECMA CLI, C# and .NET implementation.

A JavaScript implementation based on the Boo programming language.

The Boo Programming Language.

Complement for System.Linq.Expressions

Cecil is a library to inspect, modify and create .NET programs and libraries.

Some useful reflection helpers, including an IL disassembler.