MCP server and Unity Editor package that lets AI assistants control scenes, scripts, assets, tests, and builds in Unity.
Windows app that mirrors iPhone and iPad screens over USB or AirPlay with local D3D11 rendering, audio capture, and OBS output.
Model Context Protocol (MCP) plugin to connect with Unity Editor — designed for Cursor, Claude Code, Codex, Windsurf and other IDEs
Unity / XNA game patcher and plugin framework
GUI application that extracts and converts assets from Unity game files into the native Unity engine format for analysis.
Open-source cross-platform game engine written in C#, with a visual editor called Game Studio.
The Unity UI library of controls, components and other useful features for extending the Unity UI solution for Unity
One framework for creating powerful cross-platform games.
AI automation skills specifically designed for Unity
The Unity Machine Learning Agents Toolkit (ML-Agents) is an open-source project that enables games and simulations to serve as environments for training intelligent agents using deep reinforcement learning and imitation learning.
An Open Source C# 3D Game Engine under MIT license, inspired by Unity and featuring a complete editor
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unity3d resources management system
Unity NavMesh 2D Pathfinding
Pure C# 3D real time physics simulation library, now with a higher version number.
Unity 商用级别开发框架,原生内置 AI 工作流支持,集成 HybridCLR 高性能热更、Obfuz 代码混淆加固、YooAssets 企业级资源管理方案,构建高效、安全、可扩展的工业化开发底座。
Netcode for GameObjects is a high-level netcode SDK that provides networking capabilities to GameObject/MonoBehaviour workflows within Unity and sits on top of underlying transport layer.
C # Game Framework, but not limited to games. Can be used for non game business development
C# custom implementation for Discord Rich Presence. Not deprecated and still available!
Full featured, cross-platform RF circuit + electromagnetic simulator. DC, S-parameters, harmonic balance, loadpull, envelope. Also supports 2D and 3D layout and design and electromagnetic MoM, FEM, FDTD + thermal FEM.
Port of MDK (Shiny Entertainment, 1997) to C# and SDL3, based on reverse engineering: stereo 3D, VR viewer (Cardboard) on Android and desktop, gamepads - work in progress
:books: Library of all kind of scripts, snippets & shaders for Unity
UniVRM is a gltf-based VRM format implementation for Unity. English is here https://vrm.dev/en/ . 日本語 はこちら https://vrm.dev/
The extra fast, minimum code size, GC-free DI (Dependency Injection) library running on Unity Game Engine.
The core compiler and engine-agnostic components for Yarn Spinner, the friendly dialogue tool.
An open-source, multiplayer modification for the game Subnautica.
Open Brush is the open source, community led evolution of Tilt Brush! Forked from https://github.com/googlevr/tilt-brush
Object-based audio engine and codec pack with Dolby Atmos rendering, room correction, HRTF, one-click Unity audio takeover, and much more.
:video_game: Visual Pinball Engine for Unity
Cross-platform Unity 6 package for importing, loading, and rendering 3D Gaussian Splats. Supports Built-in, URP, HDRP, PLY/SOG/SPZ/GLB formats, runtime loading, GPU and CPU sorting, XR, mobile, desktop, and WebGL 2.
Official repo of Banana Shooter, a free-to-play FPS game available on Steam
3DS-EB is a complete ground-up C# re-engineering of Asia81's HackingToolkit9DS, built to deliver maximum speed, a clean interface, and seamless 3DS ROM extraction/rebuilding without the performance bottlenecks of the original toolchain.
A lightweight C# utility built on top of pk3DS.Core to seamlessly extract Gen 6 and Gen 7 Pokémon 3D models, textures, and animations directly from Nintendo 3DS ROMs. Designed specifically to generate .bch and .bcmot files that are 100% compatible with the SPICA emulator/visualizer.
A Source-Agnostic Unity Toolkit for Rigging and Animating 3D Gaussian Splatting Virtual Humans
The Most Advanced MCP Server for Unity Editor
Render particle effect in UnityUI(uGUI). Maskable, sortable, and no extra Camera/RenderTexture/Canvas.
Godot/Unity3D System Design Architecture
TiXL is an open source software to create realtime motion graphics.
These scripts will make your UGUI ScrollRect reusing cells, to improve performance, loading time and draw calls.
Central repository for tools, tutorials, resources, and documentation for robotics simulation in Unity.
MSLA/DLP, file analysis, calibration, repair, conversion and manipulation
An interpreter for the Lua language, written entirely in C# for the .NET, Mono, Xamarin and Unity3D platforms, including handy remote debugger facilities.
Free inspector attributes for Unity [Custom Editor, Custom Inspector, Inspector Attributes, Attribute Extensions]
In-game inspector and debugging tools for applications made with Unity3D game engine
DotRecast - a C# port of Recast & Detour, Industry-standard navigation mesh toolset for .NET, Unity3D, games, servers
Captains log and 3d star map for Elite Dangerous
Libraries based on OpenNURBS with a RhinoCommon style
This tool finds unreferenced assets by scanning all files in your Unity project.
The Chickensoft Game Demo — a fully tested, third-person 3D game built with Godot and C#. Now with saving and loading!
Bringing the 3D geospatial ecosystem to Unity
Biến phiên TikTok LIVE thành sàn nhảy 3D tương tác — Người xem gửi gift, chat, like, follow sẽ xuất hiện trên sàn nhảy với avatar TikTok thật, hiệu ứng ánh sáng, DJ booth và pháo hoa.
Soma Dynamics — unified full-body flesh physics controller for Koikatu / Koikatsu Party and CharaStudio
A configurable world-space deformation framework for XXMI/3DMigoto replacement Mods
Native Windows file manager with a zoomable filesystem canvas. C#/.NET, Direct3D 11, colour Tags and split view.
The high-speed OpenGL, OpenCL, OpenAL, OpenXR, GLFW, SDL, Vulkan, Assimp, WebGPU, and DirectX bindings library your mother warned you about.
Lite reliable UDP library for Mono and .NET
Runtime glTF 2.0 Loader for Unity3D
Lightweight Unity Plugin transforming the Hierarchy into what it should be. Adds headers, styles, icons and more.
Open source Role Playing Game engine for Unity 3D written in C#.
A uGUI based runtime file browser for Unity 3D (draggable and resizable)