Unity-Technologies / unity-agent-plugin

Unity plugin for third-party agent platforms

dotnet / runtime

Source for the .NET runtime, base class libraries, and the dotnet host installers across supported platforms.

FNA-XNA / FNA

FNA - Accuracy-focused XNA4 reimplementation for open platforms

GZTimeWalker / GZCTF

The GZ::CTF project, an open source CTF platform.

mono / SkiaSharp

SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.

OpenSilver / OpenSilver

Build Cross-Platform Apps with C#, VB.NET, or F# and XAML. One codebase. Six platforms. Powered by WebAssembly and .NET.

Cysharp / ZLinq

Zero allocation LINQ with LINQ to Span, LINQ to SIMD, and LINQ to Tree (FileSystem, JSON, GameObject, etc.) for all .NET platforms and Unity, Godot.

moonsharp-devs / moonsharp

An interpreter for the Lua language, written entirely in C# for the .NET, Mono, Xamarin and Unity3D platforms, including handy remote debugger facilities.

Caliburn-Micro / Caliburn.Micro

A small, yet powerful framework, designed for building applications across all XAML platforms. Its strong support for MV* patterns will enable you to build your solution quickly, without the need to sacrifice code quality or testability.

NLog / NLog

NLog - Flexible and Structured Logging for various .NET Platforms