OpenUnity

Tools

Shader

• ShaderForge unity shader node editor.
• ShaderVariantCollector 一种Shader变体收集和打包编译优化的思路
• ShaderAccessor Define the structure, assign values to shader parameters using C# reflection,work in unity
• ShaderDebugger Simple Unity framework to debug shader code

TexturePainter

• InkPainter Texture-Paint on Unity. https://esprogram.github.io/InkPainterDocument/
• TexturePaint Painting directly in mesh textures in Unity 3d with shaders

PerfabPainter

• prefab-painter A basic prefab painter for the Unity3D game engine.
• Prefabshop Prefab painter for Unity
• PrefabPainter Tool for conveniently and flexibly adding huge amounts of prefabs to your Unity scene.

AssetsAnalyzer

• UtinyRipper GUI and API library for working with Engine assets, serialized and bundle files
• AssetStudio A tool for exploring, extracting and exporting assets and assetbundles
• UnityEngineAnalyzer Roslyn Analyzer for Unity3D
• ReferenceExplorer ReferenceExplorer will visualize the object and component dependencies
• AssetsReporter [Unity] Report System for Asset Import Settings
• UnityHeapExplorer Heap Explorer is a Memory Profiler, Debugger and Analyzer for Unity.
• unitysizeexplorer Visualize how much space each asset in your Unity game takes
• UnityEventVisualizer A graph editor for viewing all UnityEvents at a glance
• Unity-AssetDependencyGraph An Asset Dependency Graph for Unity
• Il2CppInspector Il2CppInspector helps you to reverse engineer IL2CPP applications, providing the most complete analysis currently available.

Profiler

• ScreenshotToUnityProfiler
• VisualProfiler-Unity The VisualProfiler provides a drop in, single file, solution for viewing your Windows Mixed Reality Unity application's frame rate and memory usage.
• ParticleEffectProfiler Unity 特效性能分析工具

VisualEdit

• NodeGraphProcessorNode graph editor framework focused on data processing using Unity UIElements and C# 4.6
• xNode Lets you view and edit node graphs inside Unity
• Sleipnir A graph editor framework for Unity's new UIElements system https://redowlgames.com/Sleipnir

FileFormat

• UnityFBXExporter A tool to export any Unity GameObject into a FBX ASCII format
• GLTFUtility Lightweight GLTF importer for Unity
• EncodeToTGA Texture2D.EncodeToTGA (Unity)

Texture

• UnityPackedColor Packer for already packed textures at unity game engine - up to 3 times less space.
• unity-texture-packer Utility to combine color channels from different textures into a single output.
• texture_maker A texture maker tool for unity.
• MA_TextureAtlasser Texture atlas creator for Unity

Curve

• UnityBezierSolution A bezier spline solution for Unity 3D with some utility functions (like travelling the spline with constant speed/time)
• SplineMesh A Unity plugin to create curved content in real-time with bézier curves https://twitter.com/dumas181
• Path-Creator Path creation asset for Unity game development
• GPU-Spline-Deformation Baking spline deformation to a texture then applying it to a mesh via a shader.
• unity-nurbs Unity base NURBS spline and surface module

Others

• com.pixelwizards.utilities Some Unity utilities (UV tools, resource checker etc) packaged for Unity's Package Manager

• Il2CppDumper Unity il2cpp reverse engineer

• Graphmesh Graph-based mesh modifiers.

• NuGetForUnity A NuGet Package Manager for Unity

InspectorGUI

• UnityDrawers :thumbsup: A collection of property and decorator drawers for Unity
• NaughtyAttributes :thumbsup: Attribute Extensions for Unity
• MyBox MyBox is a set of attributes, tools and extensions for Unity
• Unity-Editor-Toolbox Tools, custom attributes, drawers, hierarchy overlay, and other extensions for the Unity Editor.
• Unity-Reorderable-List An attempt to mimic the ReorderableList within Unity while adding some extended functionality.
• ConfigurableShaders You can expose a lot of different shader settings through attributes!
• ShaderAccessor Define the structure, assign values to shader parameters using C# reflection,work in unity
• Smart-Inspector Keeps your screen real-estate clean with refined, compact UX.

Editor

• CategoryTool Unity Editor tool to create Categories in the Hierarchy. The Categories work as dividers between GameObjects.
• RapidGUI Unity OnGUI(IMGUI) extensions for Rapid prototyping/development
• unity-toolbar-extender Extend the Unity Toolbar with your own Editor UI code.
• dear-imgui-unity-dev Dear ImGui integration into Unity

Editor Util

• UndoPro UndoPro is a command-based undo system integrated into Unity's default system. This allows devs to use actions for their undo/redo operations without forcing the user into a new undo-workflow!

UI

• HSV-Color-Picker-Unity HSV color picker for Unity UI
• graphy Graphy is the ultimate, easy to use, feature packed FPS counter, stats monitor and debugger for your Unity project.
• UIEffect UIEffect is an effect component for uGUI element in Unity
• SpriteDicing Extension for Unity game engine to work with diced sprites
• PolyMesh Create 2D shapes in an instant with the PolyMesh editor!
• Unity-MeshMask effient,easy use Mask Component compare to Unity Mask, cost less drawcall and lower pixel fill rate.

AI

• unity-movement-ai A Unity library for common movement AI
• UnityGeneticAlgorithmMaze Modern reimplementation in Unity of Bob's Map from AI Techniques for Game Programming
• hierarchical-pathfinding Implementation of Near-Optimal Hierarchical Pathfinding (HPA*) algorithm in Unity, tested with maps from Dragon Age: Origins

Utils

• ProceduralToolkit Procedural generation library for Unity
• NativeCollections Native Collection Types for Unity https://jacksondunstan.com/articles/tag/native-collection
• UnityNativeScripting Unity Scripting in C++ https://jacksondunstan.com/articles/3938
• Unity-EasingLibraryVisualisation Front end visualisation of 40 common easing equations.
• Graphics-Raycast GPU-based raycaster for Unity which raycasts against MeshRenderers, rather than colliders.

Rendering

• SpecularProbes Bake specular highlights into Unity Reflection Probes, allowing baked lights to cast sharp specular highlights for free
• OcclusionProbes Unofficial Occlusion Probes Package, requires Unity 2019.1+
• WaterByBakeDepth
• realtime-CSG-for-unity Realtime-CSG, CSG level editor for Unity https://realtimecsg.com