Top UNITY GitHub Repositories & Tools (2026)

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

All Algorithms implemented in Python

Automate Docker container image updates

Open-source CRM with native AI agent support. 37 MCP tools, REST API, self-hosted. Built with Laravel & Filament

Run Omarchy on MacOS without any setup.

AI automation skills specifically designed for Unity

Project AirSim is Microsoft's evolution of AirSim, an advanced simulation platform for building, training, and testing autonomous systems in high-fidelity virtual environments

A Jellyfin plugin to inject Javascript

🔓Unlock Among Us: cosmetics, account, chat and more!🎉

Free, open source mental health communication web app to share experiences with loved ones

OpenUPM - Open Source Unity Package Registry (UPM)

DeepSeek Harness plugin: control the Unity Editor through the unity CLI

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

AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.

The World's First Universal Mod Loader for Unity Games compatible with both Il2Cpp and Mono

A collection of utilities for creating rhythm games in Unity, Unreal, Godot, MonoGame, Love2D, and more.

Istio governance material.

Cacti ™

ViroReact is the leading library for building AR and VR experiences and applications using React Native and Expo.

:christmas_tree: Giving back to open source for the holidays