Unity GitHub Repositories (2026) · Open Source Tools

Alexander Sannikov's Radiance Cascades for Unity's URP

Scene management framework for Unity. Provides a new generation of scene management.

A successor to the SIMD math library Unity.Mathematics, extending it to all C# numeric types while adding many new types and functions. Written entirely with hardware intrinsics, using Unity.Burst.

Chisel CSG Level Editor, for Unity

A Unity framework designed with visual scripting and flexible workflows.

MVVM Views System for Unity3D

UITableView for Unity

EasyExtractUnitypackage is a powerful tool designed to seamlessly extract files from a .unitypackage without the hassle of importing them into Unity.

AltTester Unity SDK is an UI driven test automation tool that helps you find objects in your game and interacts with them using tests written in C#, Python, Robot or Java.

Unity in-app purchases and subscriptions made easy.

Unified Realtime/API framework for .NET platform and Unity.

Mod for Sinmai

Build interactive 3D worlds with high-quality assets from Thrixel and your AI agent of choice.

Inverse Kinematics package for Unity, featuring multiple solvers, joint limits and procedural animation samples.

Unity shader decompiler — rebuilds DXBC/GLSL into readable ShaderLab

Free Local Unity AI Motion Generate Tool.Based By Nvlab Kimodo.

This asset allows users to view raycasts as the user fires them.

GT Tools is a free collection of scripts for Autodesk Maya

The Firebase SDK for Unity

The official Unity integration for Yarn Spinner, the friendly dialogue tool.