Unity Editor GitHub Repositories (2026) · Open Source Tools

Provides a rich set of editor extensions and serialization extensions for Unity.

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

Godot/Unity3D System Design Architecture

A Unity extension for inspector enhancement and data serialization.

Unity support for both ReSharper and Rider

extOSC is a tool dedicated to simplify creation of applications in Unity with OSC protocol usage.

Connect any MCP-compatible AI client (Claude Code, Cursor, Windsurf) to Unity or Godot. 275+ granular tools, an editor aware system prompt, game design document project context, script semantic search, and skill calibration.

Chisel CSG Level Editor, for Unity