Delight is an open source component-oriented framework for Unity.

Create self-contained single binary applications

Template engine based on Microsoft's Razor parsing engine for .NET Core

Unity Scripting in C++

Stride (formerly Xenko), a free and open-source cross-platform C# game engine.

A fully-dynamic voxel-based global illumination system for Unity

P-ClearPath algorithm

The C# to Lua compiler

A maintained collection of useful & free unity scripts / library's / plugins and extensions

A collection of awesome .NET libraries, tools, frameworks and software

Cloud Native application framework for .NET

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.