Awesome Unity Open Source on GitHub (800+)

A categorized collection of awesome Unity open source on GitHub.

Contents

• Shader
  • Collection
  • Post Effect
  • Outline
  • Water
  • Low Poly
  • Blur
  • Metaball
  • ShaderGraph
  • Wireframe
  • Hatching
  • Hologram
  • Voxel
  • Grass
  • Bloom
  • Portal
  • Dissolve
  • Retro
  • Builder
  • Shadow
  • Jelly
  • Optimization
  • Noise
  • Force Field
  • Overdraw
  • Code Editor
  • Other
• Editor Extensions
  • Scene View
  • Hierarchy
  • Project View
  • Inspector
  • Game View
  • Attribute
  • Editor Window
  • Asset
  • Hot Key
  • Object
  • Bookmark
  • Icon
  • Prefab
  • Project Settings
  • Design
  • Command
  • Note
  • Symbol
  • Coroutine
  • Tilemap
  • 3D Model
  • Color
  • Utility
• UI
  • Shader Collection
  • Shader
  • Utility
  • Text
  • Debug
  • Layout
  • Scroll
  • Mask
  • Shape
  • Color Picker
  • Script
  • iPhone X / XS
  • Radar Chart
  • Fade
  • Editor Extensions
  • Atlas
  • Button
  • Sample
• Script
  • Easing
  • Mesh
  • Generator
  • Message Bus
  • Extension Methods
  • Character Controller
  • Debug
  • Asset Bundle
  • Controller
  • Joystick
  • Transform
  • Effect
  • Trello
  • Async / Await
  • Touch
  • Gizmo
  • Curve
  • Event
  • Object Pooling
  • Utility
• Mobile
  • iOS / Android
  • iOS
  • Android
• Other
  • ECS
  • Sprite
  • Static Code Analysis
  • Camera
  • Physics
  • TextMesh Pro
  • Optimization
  • Particle
  • Sound
  • Reverse Engineering
  • Tool
  • Lua
  • Asset
  • Excel
  • Git
  • Test
  • Multiplayer
  • AI
  • Sample Project

Shader

Collection

• SkyboxPlus - Basic skybox extensions
• SIGExam - Correction of a Shader Exam
• ShaderProject - A container for all sorts of handy shaders
• Shaders - A collection of shaders written in CG/ShaderLab
• Cubeds-Unity-Shaders - A compilation of custom shaders
• UnityEffects - A collection of video game effects recreated in Unity
• Unity-Shaders - Unity project about reseach on shaders and particle system
• UnitySpecialEffectWithDepth - RenderDepthMap, ScannerEffect, XrayEffect, ForceFieldEffect

Post Effect

• PixelVision - Pixel effect LUT
• RasterEffects - Image Effects
• Shaders - Exploration of shaders
• KinoBinary - Binary image effect
• AsciiArtFx - ASCII art image effect
• UnityWhiteBalance - White Balance
• KinoSlitscan - Slit-scan image effect
• ASCII-Shader - An ASCII camera effect
• 2D-UI-Shader - UI and 2D Shader Unity
• Unity_StarGlow - Simple star-glow effect
• Analog_Pixelate - Pixelation image effect
• UnityImageEffects - Post Processing Effects
• unityglitch - Glitch post-processing shader
• LightLeaksUnity - Light Leaks Image Effects
• unity-lens-flare-1 - Lens flare image effect
• UnityHSVColorModifier - HSV Color Modifier
• Unity_Image_Flash_Effect - Image Flash Effect
• unity-pixelShader - pixel image effect shader
• unity-image-processing - Image effect samples
• KinoFringe - Chromatic aberration image effect
• PhotoMosaic - Photographic mosaic image effect
• Retro-Image-Effects - A collection of image effects
• UnityAsciiArtEffect - Ascii Art Image Effect for Unit3d
• CollectionOfUnityShader - Collection of Unity Shader
• UnityScanlinesEffect - A simple scanlines image effect
• Image-Effects-for-Unity - A collection of image effects
• Unity3d-distortionImageEffect - Distortion Image Effect
• DynamicCentralLineCamera - Dynamic Central Line Camera
• KinoTube - An image effect simulating analog video artifacts
• ImageEffectLab - This is my unity shader experimental project
• ColorSpread - color spreading post-processing effect in Unity
• UnityShaderEffect - Some basic unity shaders for image/ video effect
• UnityUVCheckerImageEffect - Display UV Check pattern of image effect
• ImageEffectGraph - Image effects for post processing stack created with shader graph
• unity-postprocessing-old-monitor-shader - Camera effect for use PostProcessingStackV2
• Unity-PostProV2-User-LUT-And-Z-Grading - Z-Based Color Grading and Separate User LUT
• ClearFlagsMobile - A Unity Image Effect to reproduce the Clear Flags camera effect for mobile
• PixelBaseOutlinePostProcessing - use some unity graphic API to display outline post processing
• XELF.Hexelate.Shader - Hexelation Shader is an image effect Screen will be filtered by hexagonal grids
• FastPostProcessing - A small and fast post processing stack (only one pass) targeting mobile and mobile VR
• EdgeDetect-PostProcessingUnity - Unity legacy Edge Detect image effect ported to Post Processing Stack v2
• Heatwave - A simple post-processing effect for the Unity game engine which renders small-scale distortions

Outline

• Unity-Outline - Model effects
• globaloutline - Global Outline
• UnityFx.Outline - Screen-space outlines
• UnityOutline - Unity Ouline by post effect
• Facepunch.Highlight - Mesh outline effect
• OutLine_Geometry - VFX using Outline And Geometry
• UnityOutlineShader - Source code for Outline Shader tutorial
• UltimateOutline - The easiest way to achieve outlines in unity
• QuickOutline - Unity asset for adding outlines to game objects
• UnityOutlineFX - Implementation of Unity's Editor outline for runtime
• marching-ants-outline.shader - Unity Marching Ants Sprite Outline Shader
• Outline-Effect-but-its-faster - a fork of Outline Effect with improved performance
• unity-mesh-outline - Unity Package for rendering outlines around meshes/objects

Water

• WaterColorFilter - Water Color Filter
• unity-water-shader2d - A 2D water shader
• Unity-WaterBuoyancy - Water Buoyancy Simulation
• Phillips-Ocean - A ocean using Phillips spectrum in Unity
• UnityWaveEquation - Caustics under surface of the water
• ToonWaterShader - Source code for Toon Water Shader tutorial
• crest-oceanrender - An advanced ocean system implemented in Unity3D
• water-demo - A port of Evan Wallace's "Water Demo" for WebGL to Unity
• UnityWaterSurface - Water Surface Simulation using CutomRenderTexture
• water2d-unity - A simple shader example of a water surface with reflection in 2D
• Ocean_Community_Next_Gen - Next gen iteration of the unity community ocean shader

Low Poly

• Lowpoly-Water-Unity - Low poly water with edge/shore blend
• LowPolyShaders - Unity shaders optimized for Low Poly models
• unity-lowpoly-shader - Unity Shader for mesh rendering in lowpoly style
• LowPolyWater - Water rending with sum of sines on with low poly style through flat shading
• LowPolyWater - Unity project that allows creating low poly style planes with water wave effect

Blur

• SmokeBlur - Smoke Blur
• Super-Blur - Screen and UI gaussian blur
• Unity3D-Blur - Gaussian and kawase blur
• UnityFluid2DBlurImageEffect - Fluid2D Blur Post Processing Effect

Metaball

• unity-metaball - Unity Metaball Effect
• 2DMetaballs - A 2D metaballs implementation
• Unity_Metaball2DShader - Draw 2D meta-ball with fragment shader
• Unity-Metaballs-2D - Implementation of 2D Metaballs with marching squares

ShaderGraph

• ShaderGraphExamples - Simple examples of Unity shader graphs
• unity-shadergraph-sandbox - Collection of ShaderGraph examples
• ShaderGraph_ExampleLibrary - A library of Shaders created using Unity's Shader Graph

Wireframe

• unity-wireframe - General purpose wireframe shaders
• Wireframe-Shader - A wireframe material in Unity using the geometry shader
• UnityWireframeRenderer - Get a beautiful cross-platform wireframe renderer for your meshes with one click

Hatching

• NPR_Lab - Test some NPR
• HatchingShader - Hatching Shader
• PencilSketchEffect - Real Time Hatching

Hologram

• Hologram.shader - Simple hologram shader
• HologramShader - Test of an hologram material made
• HoloShield - Highly customizable sci-fi shield / force field shader

Voxel

• unity-voxel - Mesh voxelization
• Mesh-Voxelization - Mesh voxelization
• unity-voxelizer - Utility library to voxelize meshes
• VoxReader - Library to read .vox files created with MagicaVoxel

Grass

• KvantGrass - Animating grass shader
• ProceduralGrass - Procedural, Dynamic Grass Shader
• UnityGrassGeometryShader - Source code for Grass Shader tutorial

Bloom

• KinoBloom - Bloom effect
• unity-mask-bloom - Mask by alpha channel bloom effect
• Unity-Fast-Bloom - Probably the fastest bloom implementation

Portal

• PortalFX - Portal FX
• Unity-Portals - Portals by not using RenderTextures
• unity-portal-rendering - Super small example of using offscreen render targets to achieve a portal effect

Dissolve

• VerticalDissolve - Procedural vertical dissolve shader.
• SphereDissolve - Customizable procedural spherical dissolve shader.

Retro

• RetroSuite3D - Some image effects and shaders to achieve a retro look in Unity
• RetroTVFX - A small collection of shaders for a range of authentic old TV effects

Builder

• unity-mesh-builder - Primitive mesh builder
• unity-triangulation2D - Ruppert's Delaunay Refinement Algorithm

Shadow

• UnityDitheredShadows - Unity Shadow Dithering
• PlannarShadowForUnity - Planar Shadow is very cheap and useful for mobile games

Jelly

• SoftBodyDemo - A demo of soft body physics
• Unity-JellyBody - JellyBody shader，vertex replacement

Shader Optimization

• unity-standard-shader-mobile - Mobile optimised shader
• Unity-OptimalUnlitShader - An unlit uber-shader covering all the common use cases

Noise

• NoiseBall - Mesh deforming shader example
• NoiseRings - NoiseRings is a noisy emanating ring effect

Force Field

• ForceFieldFX - Force Field FX
• Force-Field - Project files for our tutorial on how to make a Force Field in Unity using Shader Graph

Overdraw

• DebugGPU - A debug tool to optimize mipmap and overdraw for unity project

Code Editor

• language-shadercode - HLSL, UDF, GLSL and CG syntax highlighting
• Unity3D-Shader - Adds Syntax Highlighting .shader files to Sublime Text
• unity-shader-files - Adds syntax coloring to Unity 3D ShaderLab .shader files
• ShaderlabVS - ShaderlabVS is a Visual Studio plugin for Unity Shaderlab programming
• unity_shader_st3 - A sublime text plugin which aim at boosting happiness when editing Unity Shader

Other Shaders

• SonarFx - Sonar effect
• SnowTrail - Snow Trail
• DarkMatterShader - VFX
• colorgrade - Color Grading
• KinoFog - Global fog effect
• VolumeCloud - Volume cloud
• KinoContour - Contour line filter
• RainDropEffect - Rain Drop Effect
• SpektrLightning - Lightning effect
• FlipBook - Flip book effect example
• ShaderTutorials - unity shader tutorials
• UnityVertexColors - Unity Vertex Colors
• RippleEffect - Water surface ripple effect
• OIT_Lab - Order-independent Transparent
• 2DShadow - 2D Visibility / Shadow casting
• FakeVolumetricLight - FakeVolumetricLight
• ShaderGum - Unity3D GPU Sculpt & Morph
• OneBitGraphicShader - 1 bit graphic shader
• unity-grabsquares-effect - GrabSquares Effect
• KinoMirror - Mirroring and kaleidoscope effect
• DelaunayTriangulation - Delaunay Triangulation
• Unity-Shaders - Some custom 3D/2D shaders
• unity-abstract-wire - Unity Abstract Wires Effect
• Pixel-Burn-Effect - Pixel Burn shader effects made
• ShaderMan - Convert ShaderToy to Unity HLSL/CG
• UnityMaskShader - Mask shader for installation apps
• unity-frosted-glass - Test of a frosted glass material
• HelpfulScripts - A collection of random, useful scripts
• TexturePanner - This shader is a glorified texture panner
• SinewaveShapeDistortion - A Screen space distortion effect
• VolumetricLinesUnity - Source of the Volumetric Lines Asset
• Unity-CustomMipMaps - A custom mipmaps texture importer
• Arktoon-Shaders - Alternative Unity shaders made by synqark
• unity-sunburst-effects - Sunburst effects with mesh animation
• fun-frag-shaders - Fun fragment shaders you can use in Unity
• KinoFeedback - Oldskool frame buffer feedback effect for Unity
• 2DFieldOfViewVisualization - A 2D field of view implementation
• VideoPlayerEffects - Experimental special effects for VideoPlayer
• unity3d-dissolve-shader - Dissolve by Distance & Dissolve by Height
• unity-shaderfog-example - An example of HLSL fog and surface shader fog
• UnityShaderCheatsheet - Collection of Unity shader copypastas and gotchas
• unity-moveable-linerenderer - Unity LineRenderers with the simple turbulence
• DemkeysUnityShaders - Unity shaders made for various purposes, written in Cg/HLSL
• Rimlight - Customizable rimlight shader for Unity that includes pulsation and noise scrolling
• unity-cellular-automaton-based-ink-simulation - 2D Cellular automaton based ink simulation
• UnityFlatShading - Get a flat look for your models with one click, without touching your mesh
• ToonShading - A collection of "Toon" shaders for Unity based on a stepped PBR approximation
• unity-surfaceshader-flipbook - Surface shaders with flipbook / spritesheet animation functionality
• Unity-Colour-Skybox - remaking the old unity procedural skybox that was in the beta version ages ago
• unity-dithered-transparency-shader - Unity material and shader for applying clipped, dithered transparency
• UnityGradientBackground - Get a beautiful background gradient just by adding a simple script to your camera
• DepthInverseProjection - An example showing how to inverse-project depth samples into the view/world space
• WavTexture - A Unity example showing how to bake a waveform of an audio clip into a texture and use it in a shader
• Smooth radial gradient shader - Helps to create radial gradient without banding by using noise
• Radial fill shader - Helps to create radial fill with sprite

Editor Extensions

Scene View

• NormalsVisualizer.cs - Normals Visualizer
• UnitySmoothEditorCamera - Smooth Scene View camera motion
• UnityGridFramework - Open source Grid Framework for creating grid-based levels easily
• UnitySceneViewFovControl - Unity Editor Extension which enables controlling Scene View's FoV
• SceneShotBookmarks - Unity custom editor for bookmarking Scene View camera angles/settings
• SceneViewUIOverlay.cs - Unity editor extension to display a zoom indicator over the 2D scene view
• Unity3D-HighlightHelper - to see which objects you are hovering over in the Unity3D hierarchy pane
• Arrows2DMovement.cs - To precisely move, rotate and scale GameObjects on a 2D scene, using the arrow keys
• SceneHistoryWidget.cs - Drop this into an Editor folder in your project to add a history widget to your scene view

Hierarchy

• HierarchyCustomiser - Customise the Unity Hierarchy panel
• Unity-HierarchyTools - Some simple tools for Unity hierarchy
• CategoryTool - Unity Editor tool to create Categories in the Hierarchy
• EditorSceneActiveSwitcher-Unity - Load and unload scenes with a one click
• hierarchy-icons - Unity extension to show component icons in the Hierarchy
• Unity-HierarchyHelper - The fastest way to create Unity Hierarchy GUI items ever
• EditorGUIHierarchyView - Easily add a Hierarchy view (like Unity's scene view) to your Editor UI
• Unity Hierarchy Menu Customizer - Customize the menu that appears when you right-click on Hierarchy
• HierarchyDecorator - Provides custom drawing within the Hierarchy window, and add extra information functionality

Project View

• SearchTools - Search Tools In Unity
• ProjectPaneExtensions.cs - Add extensions
• unity3d-rainbow-folders - Allows you to set custom icons for any folder in unity project browser
• CustomInspectorCreator.cs - Adds a tool to automagically generate boilerplate custom inspector code
• Unity Project Window Menu Customizer - Customize the menu that appears when you right-click on Project view

Inspector

• one-line - One line property drawer
• ShaderInspector - Shader GUI extensions
• Unity-Game-Framwork - unity script share
• RectTransformEditor - Custom RectTransform Editor
• MyBox - MyBox is a set of attributes, tools and extensions
• ExtendedTransformEditor - A clutterless custom Transform editor
• Unity-Reorderable-List - Extended version of the Reorderable List
• uni-transform-inspector - Add reset button to transform inspector
• Unity-Reorderable-List - Extended version of the Reorderable List
• LeftToggleAttributeDrawerUnity - This is a custom attribute drawer
• AnimationClipInspectorExtension - AnimationClip inspector extension
• Unity-Scene-Field - Allows directly assigning scenes in the Inspector
• TrafficLightAttribute.cs - TrafficLight control/layout/property drawer
• RectTransform-Inspector-Extensions - RectTransform Inspector Extensions
• InspectorFoldoutGroup - Group variables in Unity 3d inspector with style
• SceneObject.cs - Unity scene object to easily assign scenes in the inspector
• Unity3d-Tags-Filters - Extending a Unity3d Inspector window to show int tags
• UnityEditorJunkie - Editor scripts to make working with the Unity Editor better
• UnityEditorJunkie - Editor scripts to make working with the Unity Editor better
• UnityExtensions.InspectInline - Enables you to inspect and edit object references
• AssetPathAttribute - Allow you to have drag and drop asset references in the inspector
• AnimationCurveCopyPaste - Add copy-paste functionality to Unity's AnimationCurve fields
• UnityMaterialInstancedPropertiesEditor - Generic editor for instanced properties in Unity materials.
• UnityEventDrawerEx - This plugin extends the UnityEventDrawer to display runtime calls in the inspector
• Texture3DPreview-for-Unity - Enables interactive previews of Texture3D assets in Unity's Inspector window
• guid-based-reference - Giving Game Objects a GUID and a class to create references to objects in any Scene by GUID
• unity-scene-reference - Wrapper class that uses ISerializationCallbackReceiver and a custom PropertyDrawer to provide safe

Game View

• unity-GameViewSizeHelper - Game View Size Helper
• GameViewSizeSettings - Easily register, delete and change GameViewSize

Attribute

• NaughtyAttributes - Attribute Extensions for Unity
• HighlightAttribute.cs - Add some color to you inspectors
• Stackable-Decorator - Stackable decorator for property drawer
• UnityNonNull - NonNull attribute to fields and classes in Unity
• EmbeddedInspectorAttribute.cs - Embedded Inspector Attribute
• UnityGetComponentAutoInjector - Unity GetComponent Auto Injector
• OpenWatcher - Check your field or property value at runtime in game view
• DisplayInspector-Attribute - Attribute to display one Inspector inside another
• EssentialEditor - Exposes properties and methods of MonoBehaviour to inspector
• Unity3D-ExecutionOrderAttribute - An attribute that sets a script's execution order
• StatsBarAttribute.cs - Add a StatsBar attribute to a property to make it draw a lil bar
• ReorderableInspector - Automatic reorderable lists for Unity game engine components
• unity-forge-property-drawers - Custom propery drawers to ease fields value management
• Unity3D_PropertyDrawer_AudioClip - Draws a play button and waveform preview for serialized AudioClip fields
• Auto attach components - This asset help you to auto attach components into your serialized fields in inpector. I started use it to avoid every time assign components in Awake/Start function.

Editor Window

• Unity-RegexTool - Regex tool
• UnityRenameTool - Rename tool
• USubWindow - Multiple sub window
• SceneHistory-Unity - Scene history manager
• Render-Queue - Render Queue Unity Extension
• WebViewHook - Exposed Unity Editor WebView API
• unity-customizable-toolbar-v2 - Customizable toolbar
• presets-browser - Unity presets browser editor window
• devTools-playerPreferencesEditor - Player preferences editor
• unity-autocomplete-search-field - Search field with Autocomplete
• EditorGUISplitView - A split view to be used in Unity Editor Windows
• LayerManager - A simple tool for reordering, merging and modifying unity layers
• UnityProjectBrowserHistory - Back and forward buttons for the Unity project browser
• asset-store-support-window - A support window template for publishers of the Unity Asset Store
• scripts-manager-unity3d - Gives the list of scripts in the current scene with gameobject reference
• UnityScreenShooter - Screenshot utility for Unity runtime & editor
• UnityBuildManager - Utility for running builds sequence & pushing them to markets & keeping changelog
• CustomToolbar - Custom toolbar with ability do add new toolbars and reorganize it

Asset

• Deeplicate.unity - Deep copy
• Assets2Packages - Assets to Packages
• ileDownloadWindow.cs - Download Window
• UnityForceDirty - Marks target object as dirty
• EmptyFolderDeleter.cs - Empty Folder Deleter
• Unity-AssetStoreImporter - Import UnityPackage
• AssetAuditor - Tools to control the asset import settings
• AutoSaveScene - Auto saving scene & minimizing lost work
• CustomAssetImporter - Set asset's import settings automatically
• UnityBulkConverter - library and samples for converting each assets
• Unity-LayoutExporter - Tool to import/export Unity layout settings(.wlt)
• BuildSceneProcessor.cs - Automatically add a scene to your Build Settings
• unity-aseprite-importer - Importer for Aseprite files (.ase, .aseprite)
• SubAssetDragAndDrop - Allows add/remove subasset with simple Drag&Drop operation

Hot Key

• PreviousNextSelection - My Miscellaneous Derivative
• AnimatorTransitionShortcuts - Animator Transition Shortcuts
• UniPrep - Includes hotkeys, C# extensions, utilities and more
• UnityShortcutKeyPlus - Editor extension that adds 13 shortcut keys
• selection-history-navigator - To navigate between object selections
• Unity-Hotkeys - Additional unity hotkeys as Lock Inspector and Clear Console
• UnityExtensions.SelectionHistory - "Edit/Selection/Back", "Edit/Selection/Forward"
• UnityEditorSnippets - Collection of different editor things that help with productivity

Object

• PivotUtilities.cs - Pivot Utilities
• EasyScriptTester - Easy Script Tester
• create-empty-at-zero-position - Create empty at zero position
• Unity-Random-Duplicate - Useful when creating/designing levels by hand
• unity_duplicate_special - Duplicates objects in a fashion similar to Blender's Array Modifier
• unity-mulligan-renamer - Allows for quick and safe renaming of many assets and gameobjects at once

Bookmark

• Favourites - Favourites Panel
• Unity-AssetBookmarker - Asset bookmarker
• Unity-WebBookmarker - Tool to bookmark URL
• scene-view-bookmarks - Bookmark scene views
• ScenePanel - Display all the scenes in the project and more.
• bookmark-everything - Add bookmarks to your project files so you can reach them easily

Icon

• EditorIconViewer.cs - Editor icon viewer
• Unity-GUIStyles-list.md - List of GUIStyle
• UnityTextureExporter - Export procedural or hidden textures to .png files
• unity-editor-icons - Icons what can load using EditorGUIUtility.IconContent
• SaveEditorDefaultResources.cs - Snippet to export Unity Editor Assets for inspection

Prefab

• PrefabEditor - You can edit Prefab
• EditPrefab.cs - Better editing of prefabs
• Unity3D-PrefabEditor - Edit prefabs on separate scene.
• unity-prefab-quickadd - Quickly adding prefabs to the scene by creating shortcuts in the Hierarchy right-click menu

Project Settings

• pump-editor - Collection of Unity editor helpers to boost productivity
• project-settings-toolbar - A tool bar that can open each item of Project Settings
• Unity-Frequent-Settings-Shortcut - Adding the Project Settings tab to the menu bar
• Unity-Project-Settings-in-a-New-Window - Menu shortcuts for opening Unity project settings in a window

Design

• ModifyEditorStyle - Change fonts throughout Unity editor
• UnityDarkSkin - Switching layout theme in Unity Editor (light -> dark)
• UnityEditorHelper - An organized bunch of scripts to make editor scripting in Unity easier
• unity-themes - Provides the Unity Editor with adjustable, hot-swappable GUI themes across all elements
• StableDiffusionUnityTools - Editor assets generation via Stable Diffusion

Command

• DTCommandPalette - Command palette for Unity
• Unity3D-QuickSearch - A Command Palette for Unity
• unity-editor-spotlight - MacOS-like Spotlight file search
• unity-shell - Write and execute code in an intuitive "shell" with autocompletion

Note

• EdNotes - Attach notes to objects
• AssetMessenger - Add comments to assets
• NotepadToolUnity - Take your notes without leaving Unity
• UNotes - Brings the power of sticky notes to your workflow

Symbol

• uni-symbol - Easily define symbols
• SymbolCatalog - Edit script symbol define
• Better-Defines - An easy and elegant way to manage your preprocessor directives

Coroutine

• UnityExtensions.EditorCoroutine - Easy to run coroutines from editor code.
• EditorCoroutineRunner.cs - Run stuff in the editor with all the convenience of co-routines

Tilemap

• UnityTile3D - Simple 3D Tile Editor
• SuperTiled2Unity - Imports Tiled files to Unity

3D Model

• UnityFBXExporter - Export any Unity GameObject into a FBX ASCII format
• ExportSceneToObj - Export scene (including objects and terrain ) or fbx to .obj file

Color

• unity-colourlovers-importer - Load colours and palettes directly from COLOURlovers.com

Editor Utility

• wakatime-unity - WakaTime Unity plugin
• field-monitor - Field and property viewer
• EditorExtensions - Editor extension samples
• texture-tree-view-sample - Tree view sample
• NuGetForUnity - A NuGet Package Manager
• UnityProfilerIntervalSave - Save profiler log
• demilib - A library of various utilities and tools
• OnionRingUnity - Auto 9 slice sprite generator
• CompileTime.cs - Unity Measure Compile Time
• t4-templates-unity3d - T4 Text Template Processor
• PerfAssist - Various performance-related components
• Apkd.UnityDemystifier - Improved stack trace display
• Screen-Shooter - Creating screenshots at any resolution
• UnityGuidRegenerator.cs - Unity asset GUIDs regenerator
• Unity-Component-Helper - Component Cut/Copy/Paste helper
• UpmGitExtension - Git extension for Unity Package Manager
• ScriptFinder - Find script references within your project in seconds
• uni-gist - Editor extension that lets you post scripts to Gist from Unity
• Unity Package Asset Deleter - Delete assets added with .unitypackage
• unity-regex-builder - A simple regular expression evaluator inside Unity
• EditorCollapseAll.cs - Collapse all GameObject's or to collapse all folders
• UnityElevatorCompiler - Plays elevator music while Unity compiles your code
• unity-toolbar-extender - Extend the Unity Toolbar with your own Editor UI code
• unity-customizable-toolbar - Customizable toolbar available in the Unity editor
• SuperUnityBuild - A powerful automation tool for quickly and easily generating builds with Unity
• SuperUnityBuild BuildActions - BuildActions for use with the SuperUnityBuild build automation tool
• Unity-Slngen - Adds additional solution configurations to generated .sln/.csproj files
• Unity3D-Editor-Extensions-and-Tools - Some Basic Unity3D Editor Extensions and Tools
• Unity-Animation-Hierarchy-Editor - This utility will help you refactor your Unity animations
• Unity-Utilities - Place to dump utilities that can range from completely useless to quite useful
• unity-open-asset-customizer - Editor extension that you can set the application that opens the file
• UnityMarkdeepViewer - Allowing to display Markdown, markdeep and HMTL directly inside the Unity Editor
• Unity Assembly Definition Debugger.cs - Find out what assemblies are being built and how long each takes
• unity-compile-before-play - Add this script to compile your scripts automatically before entering play mode
• VikingReSize - Analyzes your project and displays how much space files take up specified by custom categories
• Unity-EdgeCollider2D-to-PolygonCollider2D- - Editor tool which converts EdgeCollider2D to PolygonCollider2D
• unity-compile-in-background - Start compiling without having to return focus to the Unity editor after changing the script
• unity-productivity-tools - A unity package adding features like inspector buttons, GameObject grouping and property attributes

UI

Shader Collection

• UGUIEffect - uGUI Effect
• EffectShader - Effect collection
• UIEffect - An effect component for uGUI element
• unity-ugui-posteffect - UI posteffect shader repository
• UIAndShader - Some Unity UI components and shaders
• Sprite-Postprocessing-Tool-Unity - The post processing plugin

UI Shader

• Hue - Hue shader
• UGUI-Effect - uGUI Effect
• GlowImage - Glow image
• Gradient.cs - Gradient shader
• UGUIExtend - uGUI extension
• ShinyEffectForUGUI - Shiny effect
• BlurringAtlasForUGUI - Blur effect
• DissolveEffectForUGUI - Dissolve effect
• uGUI-Effect-Tool - Vertex color UI Effect
• unity-vertex-effects - Beautiful text outline
• Unity-UIGradient - UI gradient effect script
• StaticBluredScreen - Non-realtime screen blur
• BluredUGUI - Blured uGUI background sample
• UI_Color_Blend_example - Color blend example
• MirrorReflectionEffectForUGUI - Simple mirror reflection effect
• UnityRoundedShader - Rounded rectangle, circle, ellipse shaders
• Unity-UI-Rounded-Corners - Allows you to add rounded corners to UI elements

UI Utility

• UIFlippable.cs - UI flip
• UniGif - GIF image decoder
• BookUI4Unity - Make books
• RadialSlider.cs - Radial slider
• CutoutImage - Cutout image
• UnityCodes - UI Components
• CurlyUI - Curls UIs. With CurlyUI
• NicerOutline.cs - Beautiful outline
• UnityUIExtention - Unity UI Extention
• WDataTable - A data form component
• Unity-RuntimeLightEditor - Light editor
• UnitySimpleFileBrowser - Runtime file browser
• Canvas-Element-3D - Scales meshes to fit in a UI Rect
• WChatPanel - A chat panel UI component such as wechat
• ugui-animated-progressbar - A progress bar with animation
• RadialProgressBar - Customizable radial progress bar shader
• unity-ugui-XCharts - A charting and data visualization library
• MaterialUI - UI kit that follows Google's official material design guidelines.
• ParticleEffectForUGUI - Provide a component to render particle effect for uGUI

Text

• TextEllipsis - Text ellipsis
• CurvedText.cs - Curved text
• UGUI_Extensions - uGUI Extension
• unity-text-typer - Text typing effect
• EmojiText - EmojiText solution for UI
• uGUI-Hypertext - Hypertext for uGUI
• HyphenationJpn_uGUI - Hyphenation
• Unity3D.EmojiText - EmojiText in Unity3D
• Text-Juicer - Create awesome text animations
• TextShaderAnimation - Text shader animation
• YLYRichText - a feature-rich, easy to use unity rich text plugin
• TextFader - Add a char-by-char fade in animation to your texts

UI Debug

• collider-visualizer - Collider visualizer
• consolation - In-game debug console
• runtime-object-editor - Runtime object
• unity-uitest - UI Test Automation Framework
• UnityDebugConsole - In-game debug consol
• RuntimeEditor - A reflection of Unity Editor UI that works within a built player.e editor
• UnityIngameDebugConsole - A uGUI based console to see debug messages and execute commands
• UnityRuntimeInspector - Runtime Inspector and Hierarchy solution for debugging and runtime editing purposes

Layout

• RadialLayout.cs - Radial layout
• CurvedLayout.cs - Curved layout
• HexGridLayout.cs - Hex grid layout
• uGUI-Circle-Layout-Group - Circle layout group
• Unity-VariableTileLayout - Tile layout like Pinterenst
• Unity-SwipeableView - Implementing swipe views like Tinder

Scroll

• ScrollSnap - Scroll Snapping
• Unity-PullToRefresh - Pull to refresh
• EnhancedScrollView - Cool 3d scoll view
• Variable-infinite-scroll - Variable infinite scroll
• Unity-Fantastic-Gallery - A beautiful UI gallery
• FancyScrollView - Can implement highly flexible animation
• LoopScrollRect - Reusing cells, to improve performance, loading time and draw calls

Mask

• UISoftMask - Soft mask
• GuideMask - Like tutorial
• SoftMaskForUGUI - Soft masking
• CutOutGraphic - Can cut out a hole
• unity-ui-image-alphamask - Alpha mask
• UnmaskForUGUI - Reverse mask for uGUI element

Shape

• UIGraphicAPI - A drawing API
• ui-shapes-kit - procedural shapes
• Unity-UI-Polygon - Polygon renderer
• CircleGraphic.cs - Create circles/ellipses
• shapes2d - Make simple art assets quickly
• GradientGraphic.cs - Create 4-color gradient UI graphics

Color Picker

• UnityColor - Color picker
• cui_color_picker - Color Picker
• HSV-Color-Picker-Unity - HSV color picker
• UnityColorPicker - A standalone color picker asset

UI Script

• UITransition - Transition
• CompositeToggle - Composite toggle system
• sprite-atlas-name-creator - Create a class that can get sprite included in SpriteAtlas by property instead of string

iPhone X / XS

• NotchSolution - Solve notched/cutout phones layout problems
• Unity-SafeAreaCanvas - Adjusting the size automatically and preview in Editor
• iPhoneX-overlay - Unity Editor utility which masks the game view with the shape of an iPhone X

Radar Chart

• RadarChart - Radar chart
• PolygonalUI - Radar chart
• unity-radarchart - Radar chart

Fade

• FadeCamera2 - Fade camera
• Unity-UiFaderPro - Make fading in and out chunks of U
• TransitionKit - Modular, extensible transitions in scene and between scenes

UI Editor Extensions

• UnityOptimizeTool - Unity editor optimize tool
• ugui-toorbar - A toolbar that can create uGUI objects

Atlas

• AtlasImage - AtlasImage is a graphic component use SpriteAtlas for uGUI

Button

• ButtonEx - Extended button

Sample

• unity-minimap - Minimap
• menu-circular - Circle menu
• lomenui - Stylish UI package
• SamplePinchScaling - Pinch scaling
• Unity-SimpleSpeechBubble - Simple UGUI SpeechBubble

Script

Easing

• Ease - Simple Unity3D Easing
• UniTween - Tween framework
• GoKit - Lightweight tween library
• AnimeTask - Task Animation Library
• Easing - Simple easing and tweening library
• EasingCore - Simple easing implementation
• UrMotion - Flexible motion engine for non time-based animation
• Unity.Library.eppz_easing - Easing algorithms with explanations / testbed
• EasingFunction-Unity - Implementation of Easing Functions within unity in c#
• dotween-configs - Configs to setup DOTween's tween parameters via Unity editor
• Unity-EasingLibraryVisualisation - Front end visualisation of 40 common easing equations
• interpolations - Lightweight library for smoothing movements and value progressions in code
• Tweens - An open source, lightweight tweening engine with strictly typed script-based UI and object animations

Mesh

• Boom.unity - Destruction effect
• Deform - A fully-featured deformer system
• 3DPainterFramework - 3D painter framework
• EzySlice - An open source mesh slicer framework
• Destructible-Walls - Demo showcasing destructible walls
• UnityShapes - Draw shapes (circle,line,arrow) with one line of code
• CurveModifier - Implementation of the curve modifier from Blender to Unity
• unity-subdivision-surface - Loop subdivision surface algorithm implementation
• unity-procedural-cables - Components for make procedural cables and curved shapes
• unity-delaunay - A Delaunay/Voronoi library for Unity, and a simple destruction effect

Generator

• UnityHexGrid - A hex grid generation tool
• unity-teddy - Teddy algorithm implementation
• unity-procedural-tree - Procedural tree builder
• unity-procedural-flower - Procedural flower generator
• unity-tetrahedron-tree - Generate triangle meshes in the shape of trees
• wavefunctioncollapse - Walk through an infinite, procedurally generated city
• unity-polygon-2d-editor - Uses the collider of a PolygonCollider2D to generate a mesh for a GameObject
• UnityRuntimePreviewGenerator - Generate preview textures (thumbnails) for your GameObject's or materials on the fly

Message Bus

• BasicEventBus - Basic event bus
• UniEventSystem - A generic Event-Bus
• Unibus - Unibus is event passing system
• klab-messagebuses-unity - Message bus
• signals - A typesafe, lightweight messaging lib
• unity-events - A code focused strongly typed event system with global system and per GameObject system
• Unity3d-Signals - Signals are in-memory publish/subscribe system and effectively replace Unity SendMessage
• MessageKit - Decoupled message sending system meant as a replacement for SendMessage and its variantslibrary

Extension Methods

• unity-utils - Different help scripts
• kogane-unity-lib - Extension methods
• Extensions_Math.cs - Extenhsions math
• unity-extensions - Useful extension methods
• UrFairy - C# extensions for Unity development
• CameraExtensions.cs - A better way of manipulating the culling mask
• ShaderRenderState.cs - Helpful extension methods to customize Unity's shaders render state from script

Character Controller

• CharacterController2D - Character Controller 2D
• SuperCharacterController - Unity custom character controller
• CharacterController2D - Prototype for a Unity CharacterController2D
• Unity-2D-Platformer-Controller - A customizable 2D platformer motor
• 2DCharacterControllerTutorial - Source code for 2D Character Controller tutorial

Script Debug

• GAutomator - Automation for mobile games
• uni-debug-menu - Customizable debug menu
• uni-simple-profiler - Simple profiler in the game
• UniDebugPanel - You can display customizable buttons for debugging in the game
• unity3d-runtime-debug-draw - single file debuging DrawLine/DrawText/etc that works in both Scene/Game view

Asset Bundle

• Autoya - thin framework
• xasset - Asset bundle manager
• EasyAssetBundle - AssetBundle Tool
• UnityPack - Python deserialization library for Asset format
• Unity-MultiProcess-BuildPipeline - multiprocess buildpipeline

Controller

• JoyconLib - Joy-Con library
• UnityRawInput - Windows Raw Input wrapper
• Unity-XboxCtrlrInput - Xbox 360 controller library
• InputBinder - Easily bind input events to methods

Joystick

• MovableJoystick - Movable Joystick
• Simple_Joystick_Unity - A simple joystick
• UniJoystick - It is a powerful joystick component for UGUI.
• Unity3D-Simple-Mobile-Joystick - Mobile Joystick suitable for any types of game

Transform

• unity-transform-control - Transform controller in Game View
• TransformLocker - Transform Locker Component(Position/Rotation/Scale Locked)
• Unity3DRuntimeTransformGizmo - A runtime transform gizmo similar to unitys editor

Effect

• Unity-Fade - ImageEffect of fade
• Unity3DBookPageCurl - Page curl effect using UGUI
• Unity_TransparentWindow - Make Unity's window transparent and overlay on desktop

Trello

• Trello-Cards-Unity - Create Trello cards from Unity games
• UniTrello - Simplified interfacing between Unity and Trello
• UTrelloFix - Creating Trello cards in your own boards from your Unity app

Async / Await

• UniTask - Provides an efficient async/await integration
• Unity3dAsyncAwaitUtil - A bunch of code to make using async-await easier
• Asyncoroutine - Asyncoroutine is a unity asset that allows you to use Coroutine and async/await together

Touch

• GodTouch - Touch system
• TouchScript - iOS, Android, Windows, TUIO
• TouchKit - Gestures and input handling made sane

Gizmo

• FastGizmosUnity - Set of gizmos utilities
• DrawGizmo - Display a gizmo on any GameObject
• GizmoExtensions - Utility class(es) that extend Unity's Gizmos
• GizmosPlus - A Unity Package that provides additional GIzmo shapes and tools

Curve

• UnityBezierSolution - A bezier spline solution
• unity-curve-utils - A utility that can use 18 kinds of curve algorithm
• Unity3D-Curves - 2D curves in polar and Cartesian coordinates, 3D curves

Event

• OnDestroyCallback.cs - OnDestroy event
• Unity3D-ExtendedEvent - A UnityEvent replacement
• UnityAnimatorEvents - UnityEvents triggered by states inside an Animator
• Unity-MecanimEventSystem - Chain programming style callback System for Animator

Object Pooling

• RecyclerKit - Object pool manager
• prototype - Prototype component pattern

WebGL

• WebGLInput - IME for Unity WebGL

Script Utility

• StackList - Stack list
• giles - A Runtime Level Editor
• UnityRandom - Random library
• GitHub for Unity - GitHub for Unity
• UnityFlashBitmap - Like flash bitmap
• Unidux - Redux Architecture for Unity
• Moments - A quick GIF replay recorder
• Unity-WinForms - A Windows Forms port
• UniMail - Send mail (with image) from unity
• PlayerPrefsTools.cs - Get all player prefs keys
• uni-deconstruction - Deconstruction for Unity
• Typogenic - Signed-distance field text rendering
• TeaTime - Fast & simple queue for timed callbacks
• Base-Helicopter-Controller - Base Helicopter Controller
• CoroutineHelper - The unity3d coroutine tool collections
• Unity_AutoHideCursor - Hide cursor while it keep stopping
• Unity3D-Python-Editor - Python editor based on IronPython
• unity-gb - Game Boy emulator for Unity using C# and Mono
• Unity-LineSegmentsIntersection - Line segments intersection
• Unity Scene Data Transfer - Easily pass data at scene transition
• UnityProminentColor - Tool to gather main colors of an image
• unity-movement-ai - A Unity library for common movement AI
• uni-web-view-margins-from-rect-transform - Web view margin
• UnityTextDrawer - Draw beautiful 3D texts with one line of code
• vector-graphics-samples - SVG and Vector Graphics Sample Project
• UniScript - Brings C# scripting into Unity which acts as native code
• Colors.cs - Trying to set Colours from code but need something better
• UnySplat - Splatoon-like painting in unity on any-shape mesh colliders
• Unity3d-Finite-State-Machine - An intuitive Unity3d finite state machine
• AnimatorParameterReference - Avoid string references for long term project
• Unity-Minimum-Window-Size - Set minimum window size for Windows build
• unity-immediate-color-picker - Color picker for Unity in immediate GUI mode
• UniLang - Translate text from one language to another using Google Translate
• InGameReplay - Allow you to record the transform of any objects to replay it
• UnityCoroutinesWithoutMonoBehaviours - Coroutines without MonoBehaviours
• Unity3D-IconManager - Allowing you to set icons for GameObjects through code
• Unity3D-ComponentAttribute - An attribute that let's you auto-load components
• UnityOrderedUpdate - Receive Update callback(s) from anywhere and in any order
• Mathd - The double type version of the Unity struct Vector,Quaternion and Matrix
• UnityStandaloneFileBrowser - A native file browser for unity standalone platforms
• SaveGameFree - A free and simple but powerful solution for saving and loading game data
• UniEnumExtension - Unity Editor Extension which lets enum-types be much faster & efficient
• Unity-Scene-Query - A library to traverse and query the Unity scene to find particular objects
• unity-command-controller - A simple library that can control commands to implement event scripts
• XRLineRenderer - Mimics rendering with 3d capsules while only using two quads worth of geometry
• UnityWebglResponsiveTemplate - A full-sized responsive minimal webgl template for your Unity projects
• vlc-unity - LibVLC plugin for Unity to integrate playback inside your Unity apps and games using LibVLCSharp
• Unity-Save-Play-Mode-Changes - Allowing changes made in play mode to be restored upon stopping the game
• smooth.foundations - Foundations for boosting productiviy and writing clean, maintainable, allocation-free code
• InstantiatePostProcessingProfile.cs - Use this class to dynamically instantiate the PostProcessingProfile at runtime
• unity-forge-anim-callbacks - Runtime callbacks for animation clips used in Animator and Animation components
• Unity-delayed-asset - Without automatically loading all the data referenced by the asset in memory when a scene is loaded
• Unity3D-save-audioClip-to-MP3 - Save an audioclip to mp3 in unity3d. Also plugin can save audioclip to wav and convert wav to mp3.

Mobile

iOS / Android

• unity-webview - Web view
• UniClipboard20xx - Clipboard
• UniVersionManager - Version manager
• MemoryChecker-Unity - Memory checker
• unimgpicker - Image picker for iOS/Android
• UnityInitializeTimeChecker - Initialize timer
• simple-disk-utils - Disk/storage capacity check helper methods
• Unity-CrossPlatfromAPI - Provides a unified cross-platform API
• UnityMobileInput - Unity mobile Input plugin for iOS and Android
• UnityNativeEdit - Unity Native Input Plugin for both iOS and Android
• unity-android-notifications - Android local notifications with example project
• unity-share-plugin-ios-android - Share plugins for iOS and Android with sources
• PermissionPlugin - A set of tools to allow handling Permission for Android and iOS
• Unity-NativeAppstore - Allows opening of an app in the iOS and Android Appstore
• UnityNativeCamera - Take pictures/record videos with device camera on Android & iOS
• Unity Native Camera Plugin - Take pictures/record videos with device camera on Android & iOS
• MemoryInfoPlugin-for-Unity - A set of tools to allow handling memory info for Android and iOS
• SystemVolumePlugin-for-Unity - A set of tools to allow handling system volume for Android and iOS
• unity-native-sharing - Open native sharing dialogs on iOS and Android, primarily for sharing screenshots
• Unity Native Share Plugin -Natively share files (images, videos, documents, etc.) and/or plain text on Android & iOS

iOS

• UnityiOSStatusBar - Toggle iOS Status Bar Enabled
• UniSpeech - iOS speech framework native plugin for Unity
• LocalNotificationIOS - IOS local notification sample of unity
• UniIosAudioService - Unity iOS plugin JUST playing iOS system sound
• unity-ios-background-run - Little iOS plugin for Unity to work app in background
• Unity3D.UselessAttributeStripper - Useless attribute stripper for IL2CPPed executable
• Unity_iOSCameraPermission - Requestes iOS camera permission with a callback method
• UnityNativeGallery - A native Unity plugin to interact with Gallery/Photos on Android & iOS
• iPhoneX-overlay - Unity Editor utility which masks the game view with the shape of an iPhone X
• Unity.iOS.OnDemand - Useful to reduce iOS app size to ~70mb and compress your assets data using 7z
• IOS Easy Alert - Native IOS alerts

Android

• AndroidNativePicker.cs - Date-Time picker
• uni-android-intent - extension "adb shell am start"
• ShowToastUnityAndroid.cs - Shows toast on Android
• UnityShowAndroidStatusBar - Show Android status bar
• Unity3D-LogCat-extension - Logcat (android logging) extension

Other

ECS

• ECSBoids - Boids implemented
• ECS-Octree - Unity ECS based octree
• ECS2048 - 2048 like game using Unity's ECS
• Firefly - Unity ECS example for special effects
• Voxelman - Unity ECS + C# Job System example
• OSMTrafficSim - TrafficSim using Unity ECS 2019.1
• LuaECS - unity ecs framework implemented by Lua
• ECSPhysics - A physics engine made with Unity ECS
• Roll-A-Ball-ECS-style - Recreation of Unity Roll-A-Ball tutorial
• Endless Runner template for Unity - Runner template for Unity
• Svelto.ECS.Examples.Survival - Unity based example for Svelto ECS
• com.bovinelabs.entities - A collection of extensions, systems and jobs
• uSpringBone - High performance SpringBone using ECS and JobSystem
• Unity Boids Simulation - Simple Boids simulation example using Unity ECS
• LeoECS - eoECS is a fast ECS Framework powered by C# with optional integration
• Pure ECS Burst Job 2D Grid A* Pathfinding - ECS Burst Job System 2D Pathfinding
• ECS-Tween - Simple Unity tweening system using ECS that works with GameObject
• Survival Shooter ECS - A port of Unity's official Survival Shooter tutorial to the ECS
• Unity (ECS/Job System) SPH - Implementation of the SPH Algorithm (fluid simulation)
• Instanced Sprite Renderer for Unity's ECS - An example of a simple performant sprite renderer
• Unity integration for Entity Component System framework - UnityEditor integration for LeoECS
• Svelto Entity Component System 2.8 - Svelto ECS C# Lightweight Data Oriented ECS Framework
• SpriteSheetRenderer - A powerful Unity ECS system to render massive numbers of animated sprites
• EcsRx.Unity - A simple framework for unity using the ECS paradigm but with unirx for fully reactive systems
• Unity ECS with navmesh and MapBox - A demo implementation of Unity Entity Component System with NavMesh
• EntitasTanks - Entitas port of the Unity Tanks Tutorial project

Sprite

• Sprites-Outline - Outline effect
• SpriteGlow - A sprite glow effect
• ShapeRenderer - Shape renderer
• SpriteOutline - SpriteOutline shader
• Sprites-PixelArt.shader - Pixel art shader
• SpriteShaderSample - Sprite shader sample
• NextGenSprites - Some sweet sprite shaders
• NextGenSprites - Some sweet sprite shaders
• Sprites-OutlineMeter.shader - Outline shader
• Unity-2D-Sprite-cast-and-receive-shadows - Shadow
• SpriteRecolourUnity - Demo project for spriterecolour
• hsva-unity - A Hue Saturation Value adjustment shader
• UnitySpriteShaders - An Uber Shader for rendering Sprites
• SpriteDicing - Unity extension for reusing sprite texture areas
• unity-2d-water - Simple water in Unity for 2D platform games
• PixelArtGen - A pixel art generator on a Unity custom inspector
• PixelSpriteGenerator-Unity - A port of the PixelSpriteGenerator
• unity-sprite-cutter - Simple solution for cutting sprites in runtime
• FogSprites - Modification of Unity's sprite shaders supporting Fog
• UnitySpriteFlash - Example project to show flash effect on Unity sprite
• SimpleSquashAndStretchMovement2D - Squash and stretch movement
• SpriteLightKit - Blended lighting system for Unity that works with standard Sprites
• Unity-2D-Destruction - Breaking 2D sprites into fragments for awesome destruction effects
• RetroSpriteAnimator - Unity component for easily defining and playing 2D sprite animations in script
• SpritedowAnimator - Simple sprite animations avoiding the big and tedious Unity's Mechanim system
• ecs-instanced-sprite-renderer - An example of a simple performant sprite renderer using new ECS system

Static Code Analysis

• UnityEngineAnalyzer - Roslyn Analyzer
• scene-validation - A scene validator UI for unity
• AssetReferenceFinder.cs - Asset reference finder
• EmptyFunctionMonitor - Find empty unity event
• mooble - Static Analysis For Unity Scenes & Prefabs
• unity-stylecop-ignoreutility - StyleCop Ignore Utility
• sanity-checker - Automatically find missing references
• uni-common-test-runner - More than 20 generic tests
• Unity-SimpleReferenceFinder - Simple reference finder
• UnityHeapCrawler - Reflection based heap shapshot tool
• DTValidator - Tool for validating objects in the Unity Editor
• MissingReferencesUnity - Finding missing object references
• unity-notnullattribute - Attribute used to support workflows
• MissingScriptsFinder - Helps find objects with missing scripts
• ihaiu.GUIDRef - Check the asset reference relationship in the browser
• UnityEventVisualizer - A graph editor for viewing all UnityEvents at a glance
• UnityAssetUsageDetector - Find usages of the selected asset(s) and/or Object(s)
• DTUIRebuildVisualizer - Tool to visualize UI canvas rebuilds and create performant Unity UI
• Unity-Resource-Checker - Editor utility for unity to help check resources in the current scene
• unity-reference-checker - Checking unassigned references in MonoBehaviours at compile time
• GenericBurstJobs - Automatically register generic job structs with Burst Compiler

Camera

• FulldomeCameraForUnity - Fulldome Camera
• UnityFreeCam - A free moving camera system
• UnityPixelArtCamera - Easy pixel art camera rendering
• PixelCamera2D - A Pixel Perfect Camera for 2D Games
• Pixel-Perfect-Retro-Camera - Pixel perfect retro camera system
• UnityPixelCamera - A resolution independent pixel perfect camera
• Letterboxer - Easily add letterboxing or pillarboxing to your cameras
• unity-oblique-projection - Provides an oblique projection matrix for a camera
• CameraShake - An extensible, lightweight noise-based camera shake manager
• UnityCameraShake - Generates pseudo-random camera shake using Perlin noise
• Unity-Volumetric-Light - A powerful volumetric light plugin based on post-processing
• unity-camera-follow-2d - Script to make 2d camera follow players in an interesting way
• unity-camera-multi-target - Unity library to dynamically keep multiple objects in camera view
• PixelRenderUnity3D - PixelRender is a complete system for realtime rendering of 3D scenes as 2D pixel art
• Game-Eye-2D - A component based orthographic camera extension for unity that tracks 2D environments
• Unity-CameraSizeToVelocity2D - Simple script to change the cameras size depending on the velocity of the target
• DeadSimple-Pixel-Perfect-Camera - An exceedingly easy-to-use pixel perfect orthographic camera script for 2D scenes
• Unity-Camera-Scaler - Scale camera with fixed width

Physics

• Jello-Physics - 2D Soft Body Physics
• unity-2d-water-effect - Water effect
• Unity3D_2DRopeEditor - 2D Rope Editor
• quickfracture - A unity destruction effect
• CarSimulator - A Top Down 2D Car Simulator
• SimpleMeshExploder - Simple mesh exploder
• AngryBirdsStyleGame - Angry Birds style game
• Unity-Physics - Cloth and Boids Implementation
• Custom-2D-Colliders - A set of custom 2D colliders
• unity-mesh-smoothing - Mesh smoothing algorithm
• Custom-Primitive-Colliders - Custom primitive colliders
• LiquidSimulator - Cellular Automaton 2D Liquid Simulator
• unity-verlet-simulator - Simple verlet integration simulator
• PBD-Fluid-in-Unity - A PBD fluid in unity running on the GPU
• ProjectileShooting - Draws out the projectile's expected trajectory
• Piranha - A very simple tool to make rigidbodies swarm a mesh in Unity
• Unity3d-QuadTree-Collision-Detection - QuadTree and Collision Detection Systems

TextMesh Pro

• TMProNonAllocUtil - Non gc alloc
• RTLTMPro - Right-To-Left Text Mesh Pro
• tmp-rule - Manage TextMesh Pro settings
• TMP_Typewriter - Typewriter for TextMesh Pro
• ShinyEffectForTMPro - shiny effect component
• DissolveEffectForTMPro - Dissolve effect component
• MeshEffectForTextMeshPro - Mesh effect components
• UnityTMProFontCustomizedCreater - Font atlas creator
• TMP_FontAssetUpdater - You can automatically update FontAsset
• TextMeshProReplacer - Tools to replace unity text with TextMeshPro
• CharTweener - DOTween extensions for tweening TextMeshPro characters
• TextMeshProButtonExtension - Add new context menu "UI/TextMeshPro - Button"
• TMP_RectVisualizer - The size of Text and TextMesh Pro can be visualized on game screen
• TMP_IntegerText.cs - Show numbers (int, float etc.) on TextMesh Pro texts without any garbage

Optimization

• StringBuilderTemporary - C# string operation utility
• Relay - Fast, powerful, GC-friendly C# signals/events
• ProjectAuditor - An experimental static analysis tool
• FastString - Alternative to StringBuilder class for Unity games
• UnityHeapDump - Tool to dump memory to text files for inspection
• DTCompileTimeTracker - Unity editor extension which tracks compile time
• unitysizeexplorer - Visualize how much space each asset in your Unity game
• BetterDictionary - Better performance generic Dictionary and HashSet optimized
• graphy - Graphy is the ultimate, easy to use, feature packed FPS counter, stats monitor and debugger
• PolygonColliderSimplification - A set of scripts to reduce the complexity of Polygon2D and Edge Colliders
• UniRate - A Unity plugin to easily manage the application frame rate and rendering interval.

Particle

• MetaBalls - MetaBalls glory
• Fire-2D-in-Unity - Fire effect
• gpu-particles - A GPU Particle System
• BloodFx - Procedural blood stain shader
• Fragments - Fragment mesh objects for particle effects
• Flocking - This project is using Particles to simulate a flocking behavior
• Mobile-Particle-Add-Revised.shader - Revised version of Mobile/Particles/Additive shader

Sound

• UniBpmAnalyzer - BPM analyzer
• MusicEngine - make music synced game
• NoteEditor - Note editor for rhythm games
• unity-midi - Play MIDI (SMF) on Unity, using C# Synth Project
• unity-audio-spectrum - Provides spectrum data with audio output
• Unity-Beat-Detection - Musical beat detection and audio spectrum analysis
• Unity-Audio-Manager - Plugin, that allows to easily play/change/stop/mute/... sounds in 2D/3D

Reverse Engineering

• UABE - Unity Assets Bundle Extractor
• UtinyRipper - Tool for ripping assets from Engine resource files
• Il2CppDumper - Get types, methods, fields, etc. from Unity Il2Cpp binary file
• AssetStudio - AssetStudio is a tool for exploring, extracting and exporting assets and assetbundles

Tool

• Arcadia - Clojure in Unity
• UnityLauncher - Unity Version Launcher
• UnityHook - Platform to hook into Unity3D assemblies
• UnityPacker - Create unitypackages without unity, from command line

Lua

• tolua_runtime - tolua runtime library
• xLua - xLua is a lua programming solution for C#
• slua - Fastest lua binding via static code generating for Unity and mono

Other Asset

• LowPolyShapes - Low poly basic shape library
• superpowers-asset-packs - CC0-licensed asset packs for your games

Excel

• Excel4Unity - Excel for Unity
• Unity-QuickSheet - Enables you to use spreadsheet file data within Unity editor

Git

• unity-git-hooks - Git hooks for Unity project

Test

• Gamium - Game test automation library, scripting the behavior of game users

Multiplayer

• Teleport - A fast, lightweight, pure C# Unity realtime-game-networking framework

AI

• DotRecast - A port of Recast & Detour, navigation mesh toolset for games, Unity3D, servers, C#

Sample Project

• UnityBubbleGame - BubbleGame
• CubeWorld - Minecraft like game
• Voxelmetric2 - A voxel framework
• Marching-Cubes - Marching cubes
• MatchThreeGame - A match-3 game
• Othello - An Othello computer game
• Millenium - The Thousand-Year Door
• 2d-gamedemo-robodash - Robodash
• nodulus - Puzzle game with clever twists
• ParticleDecalDrawer - Particle decal drawer
• project-skylines - procedural retro 3d game
• FlappyBirdStyleGame - Flappy Bird style game
• unity-planetGravity - Mario Galaxy Style Gravity
• ProceduralToolkit - Procedural generation library
• 2d-techdemos - Tech Demos for Unity 2D Features
• unity-sketchbook - Sketching utility like Processing
• UnityFruitCutter - Create a Fruit Ninja Inspired Game
• TowerDefense - A Tower Defense style game example
• RedRunner - Red Runner, Awesome Platformer Game
• InfiniteRunner3D - Creating an infinite 3D runner game
• UnityChanBallRoll - Unity-chan's Ball a Roll demo project
• PokemonUnity - A framework to build Pokemon RPG games
• UnitySlippyMap - A slippy map implementation written in C#
• Pacman - A Pacman clone with original AI made using Unity / C#
• unity-design-patterns - Examples of programming design patterns
• Othello - Creating Othello in Unity complete with AI using negamax of variable depth
• Unity-Design-Pattern - All Gang of Four Design Patterns written in Unity C# with many examples
• Fruit-Ninja-Replica - This is the source code for a Fruit Ninja replica created during a Twitch Livestream
• Cut-the-Rope-Replica - This is the source code for a Cut the Rope replica created during a Twitch Livestream
• 3d-game-shaders-for-beginners - how to implement SSAO, depth of field, lighting, normal mapping, and more
• UnityGameTemplate - Template with all necessary stuff taken care, just create your games main features