OpenGraphic

Graphic Engine & Game Engine open source list！

Contents

Official

Official

Engine

Engine    EnginePlugin    PBRRayTrace    SoftRenderer

Rendering

GI    VolumeRendering    PostProcessing
ShadeModel    PhysicallyBasedRendering
Stylize
OIT    Effect    VFX

Emulation

Nature    Environment    Human

Optimization

Acceleration    SceneManage    RenderPath

Util

Util    SDF    Math    Image&Color    Noise    Mesh    Platform    UI    CG

Tools

Tools

Tutorial

SDK&Tutorial

Other

Physics    Animation    Particle    Machine Learning    VR&AR   

Official

• Unity Unity-Technologies    unity3d-jp    UnityLabs
• AMD GPUOpen-LibrariesAndSDKs    GPUOpen-Tools    GPUOpen-Effects
• NVIDIA NVIDIAGameWorks    nvpro-samples    NVIDIA    NVlabs
• Intel Intel GameTechDev https://software.intel.com/gamedev
• ARM ARM-software
• SideEfects sideeffects Hodini
• id-Software
• InteractiveComputerGraphics

Engine

• UnrealEngine ⭐ https://www.unrealengine.com/
• CRYENGINE ⭐ https://www.cryengine.com/
• Lumberyard ⭐ https://aws.amazon.com/lumberyard/
• Urho3D👍 lightweight, cross-platform 2D and 3D game engine,Greatly inspired by OGRE and Horde3D.
• filament👍 Filament is a physically based rendering engine for Android, Windows, Linux and macOS
• Falcor👍 Real-Time Rendering Framework, NVIDIA
• Klayag A cross-platform open source game engine with plugin-based architecture
• G3D Graphics research and rapid prototyping in OpenGL and C++
• Ogre ogre github mirror
• OpenSceneGraph http://www.openscenegraph.org
• WickedEngine C++ game engine focusing on modern rendering techniques. With Bullet Physics, Lua scripting, and more.
• xenko An open-source C# game engine for realistic rendering and VR
• godot Godot Engine – Multi-platform 2D and 3D game engine https://godotengine.org
• anki-3d-engine AnKi 3D Engine - OGL/Vulkan backends, modern renderer, scripting, physics and more
• bgfx ⭐ -Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library
• The-Forge The Forge Cross-Platform Rendering Framework PC, macOS / iOS, Android, XBOX, PS4
• oryol - A small, portable and extensible C++ 3D coding framework
• bsf Modern C++14 library for the development of real-time graphical applications https://www.bsframework.io
• DiligentEngine A modern cross-platform low-level 3D graphics library http://diligentgraphics.com/diligent-engine/
• cesium An open-source JavaScript library for world-class 3D globes and maps
• playcanvas ast and lightweight WebGL game engine https://playcanvas.com/

Engine Plugin

• armory -3D Game Engine for Blender
• RenderPipeline -PBR and Deferred Rendering for the Panda3D game engine
• ray-mmd physically-based rendering at mikumikudance

PBR RayTrace

• embree A collection of high-performance ray tracing kernels, developed at Intel.
• RadeonRays RadeonProRender ray intersection acceleration library for hardware and software multiplatforms using CPU and GPU
• appleseed A modern open source rendering engine for animation and visual effects https://appleseedhq.net/
• pbrt Source code for "Physically Based Rendering: From Theory To Implementation"
• mitsuba http://mitsuba-renderer.org/
• LuxCoreRender https://www.luxcorerender.org
• ospray A Ray Tracing Based Rendering Engine for High-Fidelity Visualization
• taichi Open Source Computer Graphics Library http://taichi.graphics
• tungsten High performance physically based renderer in C++11
• nori Nori: an educational ray tracer https://wjakob.github.io/nori
• nanort single header only modern ray tracing kernel.
• SORT Simple Open-source Ray Tracer https://agraphicsguy.wordpress.com/

Soft Renderer

• OpenSWR A High Performance, Highly Scalable Software Rasterizer for OpenGL
• miaow An open source GPU based off of the AMD Southern Islands ISA.
• tinyrenderer A brief computer graphics / rendering course
• coco3d Coco3D is a real-time 3D software renderer for Windows PCs and mobile devices
• muli3d implements features of current graphics hardware in software. The focus is on ease of use and clear code
• swiftshader high-performance CPU-based implementation of the OpenGL ES and Direct3D 9 graphics APIs
• Mesa3D https://www.mesa3d.org
• SoftwareRenderer Software rendering engine with PBR. Built from scratch on C++.

GI

Collection

• GITechDemo A global illumination technical demo application.
• dirtchamber A mixed reality testing environment for real-time global illumination algorithms
• Cinder-Experiments A collection of experiments, samples and other bits of code.
• IlluminationComparison A comparison of typical illumination methods. (SSAO, HBO, VXGI, and Ray Traced Global Illumination)
• 3D-Graphics-Engine Capable of rendering online and offline global illumination using a number of different methods
• RTGI

SVO

• SEGI A fully-dynamic voxel-based global illumination system for Unity
• VCTRenderer Deferred Voxel Shading for Real Time Global Illumination
• voxel-cone-tracing A real-time global illumination implementation using voxel cone tracing.
• VoxelConeTracing An implementation of the "Voxel Cone Tracing" global illumination technique proposed by Cyril Crassin
• VCTGI GPU-based real-time global illumination renderer based on voxel cone tracing
• Vulkan-VXGI-VR-FrameWork University of Pennsylvania, CIS 565: GPU Programming and Architecture, Final Project
• HarshLight Real-time global illumination based on voxel cone tracing
• Voxel_Cone_Tracing easy to understand
• Voxel-Cone-Tracing easy to understand

LPV

• Light-Propagation-Volumes
• GI-LPV Implement global illumination with OCaml, using light propagation volumes

Point Based GI

• PBGI Point Based Global Illumination

Spherica lHarmonic Lighting

• Urho3D-1.4-SphericalHarmonicLighting

PRT

• precomputed-radiance-transfer
• SHTest
• SphericalHarmonicLighting

Deferred Irradiance Volumes

• webgl-deferred-irradiance-volumes An implementation of deferred irradiance volumes in WebGL

Deferred Radiance Transfer Volumes

Radiosity

Instant Radiosity

• instant_radiosity
• simple-instant-radiosity
• GIGL Tiny Global Illumination OpenGL Renderer

Ray tracing

Path tracing

• minpt A path tracer in 300 lines of C++
• simple-bidirectional-pathtracer
• edubpt

Metropolis light transport

PhotonMapping

• CPMFIGIOTVVD Correlated Photon Mapping for Interactive Global Illumination of Time-Varying Volumetric Data by Daniel Jönsson and Anders Ynnerman
• SOPGI A VEX raytracer for SideFX Houdini with photon mapping global illumination and full recursive reflections and refractions

Ambient occlusion

• KinoObscurance Alchemy Ambient Obscurance ---AlchemyHPG11
• ScalableAmbientObscurance https://research.nvidia.com/publication/scalable-ambient-obscurance
• ASSAO Adaptive Screen Space Ambient Occlusion
• Robust Screen Space Ambient Occlusion Robust Screen Space Ambient Occlusion
• HBAOPlus HBAO+ is a SSAO algorithm designed to achieve high efficiency on DX11 GPUs.
• gl_ssao optimized screen-space ambient occlusion, cache-aware hbao
• VXAO Voxel Ambient Occlusion
• MiniEngineAO SSAO image effect from Microsoft MiniEngine, ported to Unity.
• NNAO Neural Network Ambien Occlusion
• dssdo Deferred Screen Space Directional Occlusion http://kayru.org/articles/dssdo/
• ssgi Screen space global illumination demo: SSAO vs SSDO
• Unity-Ground-Truth-Ambient-Occlusion A physically based screen space ambient occulsion post processing effect
• Unity-GeoAO Fast ambien occlusion in Unity at runtime
• ConeSphereOcclusionLUT ConeSphereOcclusionLUT generates a cone sphere occlusion LUT to be used with TLoU style capsule AO shadows. For details "Lighting Technology Of "The Last Of Us".

Bent Normal

• ssbn Screen Space Bent Normals

Radiosity Normal Mapping

• GzRNM brings Radiosity Normal Mapping/Directional Light Mapping to Unity 3D!
• SSbumpGenerator A GUI interface to a tool for generating SSBumps (Self Shadowed Bump Maps).

LightMap

• lightmapper
• seamoptimizer
• BakingLab
• BocsLightmapper
• trianglepacker Triangle packer for light map

Light Field

• temporal-lightfield-reconstruction mplementation of "Temporal Light Field Reconstruction for Rendering Distribution Effects" (SIGGRAPH 2011)
• indirect-light-field-reconstruction mplementation of "Reconstructing the Indirect Light Field for Global Illumination" (SIGGRAPH 2012)

GI Simulation

Diffuse inter-reflection

Caustic

• SC_Tracer photon mapping for global illumination and caustic

Reflection

• ComputeStochasticReflections Compute Stochastic Screen Space Reflections for unity post processing
• kode80SSR An open source screen space reflections implementation for Unity3D 5.
• StochasticScreenSpaceReflection
• Unity-Screen-Space-Reflection Clearly Screen Space Reflection
• UnitySSR Open source screen space reflection for Unity 5
• synthese_image author's blog
• Jin-Engine-2.1 The implementation of Pixel-projected Screen Space Reflections

Refraction

Shadow

• Shadows A sample app that demonstrates several techniques for rendering real-time shadow maps
• UnityPCSS Nvidia's PCSS soft shadow algorithm implemented in Unity
• ContactShadows Experimental implementation of contact shadows for Unity.
• HFTS NVIDIA Hybrid Frustum Traced Shadows in NVIDIA ShadowLib.
• ShadowFX DirectX 11 and 12 library that provides a scalable and GCN-optimized solution for deferred shadow filtering
• ofxShadowMap Shadow map using PCF or gaussian disk sampling for soft borders
• of-ESMShadowMapping Exponential Shadow Mapping in openFrameworks
• RayTracedShadows This demo implements BVH construction and GPU traversal for rendering hard shadows.
• ShadowVolume Shadow Volume for Static-Scene-Object of Unity
• variance_shadow_mapping_vk Variance shadow mapping for omni lights with Vulkan
• Precomputed-Shadow-Fields-for-Dynamic-Scenes A realization of computing soft shadow by shadow fields
• many-lights-gi Real-time global illumination following the many-lights approach and using Imperfect Shadow Maps

PostProcessing

Collection

• PostProcessing
• reshade-shaders A collection of post-processing shaders written for ReShade. https://reshade.me
• Cat-PostProcessing
• Unity5Effects
• UnityImageEffects

AA

• CMAA2 Conservative Morphological Anti-Aliasing 2.0
• MSAAFilter MSAA and Temporal AA Sample
• temporal Temporal Reprojection Anti-Aliasing for Unity 5.0+
• smaa SMAA: Subpixel Morphological Antialiasing, is a very efficient GPU-based MLAA implementation
• smaaDemo Subpixel Morphological AntiAliasing OpenGL/Vulkan demo
• SMAA SMAA in unity3D
• SpecularAA A demo of various normal map filtering techniques for reducing specular aliasing
• glsl-fxaa FXAA implementation for glslify in WebGL
• Phone-wire AA

Denoising

• practicalDenoising Reference Implementation of Practical Denoising for VFX Production Using Temporal Blur
• bcd Bayesian Collaborative Denoiser for Monte-Carlo Rendering

Bloom

• HexBokehBlur
• hdreffects

Tone Mapping

• tonemapper
• aces-dev AMPAS Academy Color Encoding System Developer Resources http://www.oscars.org/aces

DOF

• VVDoFDemo

Lens

• PhysicallyBasedLensFlare
• LightLeaksUnity

Other

• UnityScreenSpaceBoolean
• OffScreenParticleRendering

Human

Skin

• pbrt-skin-bssrdf Implementation of Donner & Jensen's "A Spectral BSSRDF for Shading Human Skin" in PBRT
• skinparam Real-time skin renderer with adjustable skin parameters
• CP_SSSSS Naive screen-space subsurface scattering solution for Unity 5.
• separable-sss iryoku's SSSSS
• skin-shader-unity GPU Gems 3 - Chapter 14 using the Unity engine
• Unity-Human-Skin-Shader-PC
• SubsurfaceScattering An implementation of a set screen space physically-based subsurface scattering algorithms

Eye

Hair

• TressFX
• WetaHair
• libWetHair

Colth

• libwetcloth
• fabric-micro-detail-scattering

Silk

Fur

• FurRendering
• UnityFurShader Fur shader for Unity.

Nature

Water

• Ceto 👍 Ceto: Ocean system for Unity

• WaterSurfaceWavelets Water Surface Wavelets (SIGGRAPH 2018) http://visualcomputing.ist.ac.at/publications/2018/WSW/

• VaOcean Ocean Surface Simulation Plugin for Unreal Engine 4

• OceanProject An Ocean Simulation project for Unreal Engine 4

• Ocean Community Next Gen Next gen iteration of the unity community ocean shader

• crest-oceanrender Crest is a technically advanced ocean renderer implemented in Unity3D

• whitecaps Real-time Animation and Rendering of Ocean Whitecaps

• BoatAttack com.verasl.water-system Gerstner waves water.

• Ocean_mobile_with_boat_physic Ocean mobile with boat physic controller

• Unity-WaterBuoyancy Water Buoyancy Simulation for Unity

• RealtimeWater implemented based on "Fast Water Simulation for Games Using Height Fields".

• fft-ocean WebGL FFT (Fast Fourier transform) ocean rendering for Three.js

• Jerry Tessendorf's paper "Simulating Ocean Water".
  fftocean ocean-simulation Phillips-Ocean

• Eric.Bruneton's paper "an improved version using an FFT method to synthesize the surface." Eric.Bruneton Brunetons-Ocean

Snow

• SnowSimulation GPU Snow Simulation for Unity and Direct3D
• snow "A Material Point Method for Snow Simulation" (Stomakhin et al., 2013).
• SnowDeformation To create a snow accumulation and deformation effect along with physical based rendering
• UnrealSnow Unreal Engine snow simulation for large terrains using Compute Shaders for GPU paralellization.
• DeepSnowFootprint A unity shader solution to generate footprint on thick snow surfaces.
• unity-deformablesnow Repository for online PIGSquad workshop on deformable snow in Unity.

Sand

• JourneySand An Unity project to reproduce the sand rendering in Journey's style

Grass

• KvantGrass Animating grass shader for Unity
• Grass.DirectX Realistic Grass Rendering using DirectX 11 and a geometry-shader based approach.
• VulkanGrassRendering Vulkan implementation of "Responsive Real-Time Grass Rendering for General 3D Scenes" by Jahrmann and Wimmer
• GooHairGrass
• Project6-Vulkan-Grass-Rendering

Tree

• Vulkan-Forest-Rendering-Engine

Terrain

• Terrain-Topology-Algorithms

Cloud

• volsample Research on sampling methods for real-time volume rendering
• kode80CloudsUnity3D A realtime volumetric cloud rendering solution for Unity3D.
• VolumeCloud Volume cloud for Unity3D
• Raymarch-Clouds
• clouds Volumetric Clouds plugin for Stingray
• Marshmallow Vulkan-based implementation of clouds from Decima Engine
• Meteoros Real-time Cloudscape Rendering in Vulkan based on the implementation of clouds in the Decima Engine.

Sky

• SkyboxPanoramicShader
• CSky-Dynamic-Sky-Unity Dynamic Sky Sphere System
• GenUtahSky Radiance implementation of Preetham, Shirley, Smits model for sky color, plus more

Rain

• RainDropEffect Rain Drop Effect2: Effective, Fast and Flexible Rain Distortion Effect for Unity
• LensRain A screen-space lens rain effect using Unity's V2 Post-processing framework.
• RainFX Natural Rain

Fire

• fire A fire effect for Unity.

Ice

Iridescent

• Iridescence
• Iridescent Shader Iridescence shader

Glass

• unity-frosted-glass Test of a frosted glass material in Unity.

Environment

VolumetricLight

• VolumetricLights Volumetric Lights for Unity
• LightShafts A light shafts (volumetric shadows) effect for Unity.
• OutdoorLightScattering Outdoor Light Scattering Sample
• VolumetricLighting NVIDIA Gameworks Volumetric Lighting
• VolumetricLighting ighting effects implemented for the Adam demo: volumetric fog, area lights and tube lights
• Aura Volumetric Lighting for Unity
• Vapor Volumetric Fog for Unity

Atmospheric

• AtmosphericScattering
• AtmosphericScattering
• Scatterer
• precomputed_atmospheric_scattering Eric Bruneton, 2017
• Brunetons-Improved-Atmospheric-Scattering Eric Bruneton for Unity, 2017
• glsl-atmosphere

Fog

• unity-volumetric-fo
• UEShaderBits-GDC-Pack UE4 Volumetric Fog Techniques

Render Path

• VolumeTiledForwardShading 👍 Volume Tiled Forward Shading. This technique is based on Tiled and Clustered Forward Shading (Olsson, 2012)
• HybridRenderingEngine Clustered Forward/Deferred renderer with Physically Based Shading, Image Based Lighting and a whole lot of OpenGL.
• ClusteredShadingAndroid and IntelForwardClusteredShading Clustered shading on Android sample
• clustered_forward_demo Ola Olsson.
• clustered_forward_demo_vk Clustered forward rendering demo with Vulkan
• ClusteredShadingConservative DirectX 12 light culling technique featured in GPU Pro 7
• lightindexed-deferredrender Light Indexed Deferred Rendering - Before there was Forward+ and Clustered deferred rendering there was Light Indexed Deferred Rendering (ShaderX7)
• Vulkan-Forward-Plus-Renderer Forward+ renderer in Vulkan using Compute Shader. An Upenn CIS565 final project.
• cute-deferred-shading Cute little deferred shading implementation.
• nTiled nTiled - forward and deferred openGL renderer with support for Tiled Shading, Clustered Shading and Hashed Shading
• DeferredTexturing A rendering sample that demonstrates bindless deferred texturing using D3D12

Physically Based Rendering

Camera

• Physical-Camera
• pbc
• Cat-Physically-Based-Camera

File Format

• glTF-SDK glTF-SDK is a Software Development Kit for glTF (GL Transmission Format -https://github.com/KhronosGroup/glTF).

Shade Model

BSDF

• libbsdf Library for BSDF, BRDF, and BTDF

BRDF

• brdf    brdfExplorer
• BRDFExplorer
• Lux
• Alloy
• AntonovSuit
• AnisotropicStandardShader

SVBRDF

• svbrdf-oculus materials from Two-Shot SVBRDF Capture for Stationary Materials by Aittala et al (2015).

BTDF

BSSRDF

• Subsurface-Light-Transport-Raytracer
• SingleScatteringEditing
• pbrt-importance-sampling
• hitchhikersscatter

SSS

• FastTranslucentShader
• ScreenSpaceSubsurfaceScattering
• MultipassTranslucency fake subsurface-scattering shader, using multiple passes with different blend ops to calculate thickness without reading back the depth buffer.

IBL

• IBLBaker Light probe generation and BRDF authoring for physically based shading.
• cmftStudio cross-platform open-source cubemap filtering tool.
• Probulator Experimentation framework for probe-based lighting
• PBR An implementation of physically based shading model & image based lighting in various graphics APIs.
• IBLGGX Sample implementation of UE4/Frostbite image based lighting method based on GGX convolution of HDR environment maps.
• IntegrateDFG DFG LUT generator
• hyper3d-envmapgen Pre-filtered mipmapped radiance environment map generator that runs on WebAssembly.
• LTC_BRDF_Fit BRDF fitting code for LTC Area Lights by Heitz et al.

Stylize

NPR

• NPR_Lab
• MNPR An expressive non-photorealistic rendering framework for real-time, filter-based stylization pipelines within Maya. http://mnpr.artineering.io
• Wind-Waker-Shader Cel Shading of two thresholds with a blur/gradient between them
• ToonShading A collection of "Toon" shaders for Unity based on a stepped PBR approximation.
• kamakura-shaders NPR for Unity with a bunch of features and adjustable parameters in a user-friendly interface.
• UnityNPR
• NPR
• ChinesePaintingDemo

Low Poly

• Lowpoly-Water-Unity Low poly water with edge/shore blend. Similar to the awesome water in Monument Valley.
• FlatShader A very simple shader which performs flatshading without the need for duplicating vertices when building the geometry.

Voxel

• UE4VoxelTerrain Unreal Engine 4: Smooth voxel terrian
• VoxelPlugin Voxel plugin for Unreal Engine
• voxelizer Header only mesh voxelizer in c99
• gpu-physics-unity A GPU Accelerated Voxel Physics Solver for Unity
• Field3D A library for storing voxel data on disk and in memory.

Volume Rendering

RayMarch

• ray-march
• uRaymarching
• unity-ray-marching
• dli
• SpaceWarp Playing with DistanceField Raymarching as Post Effect in Unity3d

Point Clouds

• PCL A standalone, large scale, open project for 2D/3D image and point cloud processing.
• Pcx Point cloud importer & renderer for Unity

Shear-warp

Other

• OpenVDB Sparse volume data structure and tools
• OpenVDBForUnity

Acceleration

• Indirect-Rendering-With-Compute-Shaders Compute shader: Frustum culling,Occlusion culling with HierarchicalZBuffer

Frustum Culling

• sseculling

Soft Occlusion Culling

• intel_occlusion_cull
• Image-Space-Occlusion-Culling-Engine Image Space Occlusion Culling Engine optimized to perform occlusion culling in CPU.
• Janua Open Source occlusion culling engine for 3D Scenes
• OcclusionCulling software (CPU) based approach to occllusion culling using multi-threading and SIMD instructions to improve performance.
• rasterizer faster in single-threaded AVX mode when rendering the full set of occluders (no minimum size).
• IndirectOcclusionCulling
• vigilant-system

Hardware Occlusion Queries

Hierarchical-Z Buffer

Hierarchical Occlusion Map

Imposter

• IMP billboard imposter baking for Unity
• ImpostorBaker UE4 Plugin for generating Impostors for static meshes

LOD

HLOD

SceneManage

• UnityOctree

SDF

• msdfgen Multi-channel signed distance field generator
• Typogenic Signed-distance field text rendering for Unity
• SDF Signed Distance Field Builder for Contour Texturing
• SDFGen A simple commandline utility to generate grid-based signed distance field (level set) generator from triangle meshes

OIT

• Order-Independent-Trasparency
• OIT_Lab
• oitDemo Order Independent Transparency In OpenGL 4.x Other.....
• TLVulkanRenderer Vulkan-based renderer on real-time transparency
• PreMulAlpha Pre-Multiplied blend mode

Math

• Eigen ⭐ linear algebra: matrices, vectors, numerical solvers, and related algorithms. Eigen
• MathGeoLib A C++ library for linear algebra and geometry manipulation for computer graphics
• glm OpenGL Mathematics (GLM) https://glm.g-truc.net
• CGAL geometric algorithms in the form of a C++ library.
• GEOS Geometry Engine
• MTL Matrix Template Library, a linear algebra library for C++ programs.
• sh-lib Spherical/zonal harmonics library
• spherical-harmonics Spherical harmonics library
• DirectXMath DirectXMath is an all inline SIMD C++ linear algebra library for use in games and graphics apps
• geomc A c++ linear algebra template library
• geometry3Sharp C# library for 2D/3D geometric computation, mesh algorithms, and so on
• ShaderFastLibs Shader libraries for fast shader opetations.
• hlslpp Math library using hlsl syntax with SSE/NEON support
• Fast-BVH A Simple, Optimized Bounding Volume Hierarchy for Ray/Object Intersection Testing

Image&Color

Computer Vision

• OpenCV Open Source Computer Vision Library. C# Wrapper opencvsharp

Image

• bimg 👍 Image library.
• OpenImageIO OpenImageIO http://www.openimageio.org
• ImageSharp A cross-platform library for the processing of image files; written in C#
• ImageMagick create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200)
• Dithering-Unity3d Dithering algorithms for Unity3d

VectorGraphics

• vg-renderer A vector graphics renderer for bgfx, based on ideas from NanoVG and ImDrawList (Dear ImGUI)

TextureCompressed

• nv_dds DDS image loader for OpenGL/ OpenGL ES2 http://paroj.github.io/nv_dds/
• nvidia-texture-tools Texture processing tools with support for Direct3D 10 and 11 formats.
• crunch Advanced DXTc texture compression and transcoding library http://binomial.info
• unity-ycca-subsampling ChromaPack YCCA chroma subsampling technique

Color

• OpenColorIO A color management framework for visual effects and animation http://opencolorio.org
• GLSL-Color-Spaces Utility functions to convert between various color spaces in GLSL
• colour Colour Science for Python https://www.colour-science.org
• color ++ library thats implemets class color. Available models: RGB, HSL, HSV, CMY, CMYK, YIQ, YUV and growing.
• colormap-shaders A collection of shaders to draw color maps.

Noise

• TileableVolumeNoise
• FastNoise
• Turbulence-Library
• GPU-Noise-Lib
• webgl-noise
• VisualNoiseDesigner

Mesh

IO

• assimp A library to import and export various 3d-model-formats
• open3mod Open 3D Model Viewer - A quick and powerful 3D model viewer
• DirectXMesh
• OpenFBX Lightweight open source FBX importer

Subdivision

• OpenSubdiv An Open-Source subdivision surface library. http://graphics.pixar.com/opensubdiv

Simplification

• Fast-Quadric-Mesh-Simplification Mesh triangle reduction using quadrics
• MeshDecimator, UnityMeshSimplifier Mesh simplification for Unity.
• SeamAwareDecimater Mesh simplification with UV's boundary preserved

Deform Destruction

• MeshDGP a simple C# geometry processing library. demonstrates the dozens of keystone mesh processing algorithms
• Deform A framework for deforming meshes in the editor and at runtime in Unity.

Modeling

• meshlab MeshLab is mostly based on the mesh processing library VCGlib
• Mesh-processing-library mesh processing techniques in computer graphics published at ACM SIGGRAPH in 1992–1998
• PyMesh a rapid prototyping platform focused on geometry processing https://pymesh.readthedocs.io
• poly2tri Fast and Robust Simple Polygon Triangulation With/Without Holes
• libigl Simple C++ geometry processing library.
• instant-meshes Interactive field-aligned mesh generator
• openmesh A generic and efficient polygon mesh data structure
• openflipper programming framework designed for processing, modeling and rendering of geometric data.
• cinolib A generic programming header only C++ library for processing polygonal and polyhedral meshes

Optimization

• meshoptimizer Mesh optimization library that makes indexed meshes more GPU-friendly

Compress

• Compressonator Tool suite for Texture and 3D Model Compression, Optimization and Analysis using CPUs, GPUs and APUs
• draco compressing and decompressing 3D geometric meshes and point clouds.

Reconstruction

• meshroom 3D Reconstruction Software based on the (AliceVision)[https://github.com/alicevision/AliceVision] framework.
• openMVG open Multiple View Geometry library. Basis for 3D computer vision and Structure from Motion.

Platform

• herebedragons
• glfw
• MoltenVK Vulkan graphics and compute API, that runs on Apple's Metal graphics framework
• dxvk Vulkan-based D3D11 implementation for Linux / Wine

UI

• imgui ⭐ Dear ImGui: Bloat-free Immediate Mode Graphical User interface for C++ with minimal dependencies
• nanovg Antialiased 2D vector drawing library on top of OpenGL for UI and visualizations.
• nanogui Minimalistic GUI library for OpenGL
• nuklear A single-header ANSI C gui library
• AnttWeakbar a light and intuitive GUI into OpenGL or DirectX based programs to interactively tweak parameters on-screen.
• 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.

Util

• stb
• yocto-gl Yocto/GL: Tiny C++ Libraries for Physically-based Graphics
• debug-draw

Unity

• UnityFBXExporter A tool to export any Unity GameObject into a FBX ASCII format
• EncodeToTGA Texture2D.EncodeToTGA (Unity)

Effect

• shader-graph-nodes Custom Nodes for Unity Shader Graph

Minecraft

• Wisdom-Shaders A Minecraft shaderspack. Offers high performance with high quality at the same time. https://qionouu.cn/
• Ebin-Shaders This is a Minecraft shaderpack for use with Optifine.
• robobo1221Shaders

Meta Blobs

• MetaBlob Meta Blobs for Unity 3D.

Transitions

• gl-transitions 👍 The open collection of GL Transitions https://gl-transitions.com/
• ScreenManager Flexible way to manage screens with transitions for Unity

Mesh Cut

• cross-section create a cross section through meshes

PageCurl

• Unity3DBookPageCurl Page curl effect for Unity3D using native UI tools

Decal

• ProjectionSpray

OutLine

• PixelBaseOutlinePostProcessing use some unity graphic API to display outline post processing.
• Outline-Effect Outline Image Effect for Unity
• Outlined-Diffuse-Shader-Fixed This is a fixed version of diffused outline shader from http://wiki.unity3d.com/index.php/Outlined_Diffuse_3

Motion

• AmplifyMotion Amplify Motion was the first Full-scene Motion Blur extension for Unity

Portal

• unity-portal-rendering Super small example of using offscreen render targets to achieve a portal effect in Unity

Fractal

• ElectricSheep_WebGL WebGL Electric Sheep Renderer

InteriorMapping

• Unity-InteriorMapping Interior mapping shader for Unity with a sample scene.

Compute Shader Effect

• FinalAudition A complete remake of 2005 demo "Final Audition" by Plastic

VFX

Houdini

• qLib A procedural asset library for SideFX Houdini. http://qlab.github.com/qLib

Alembic

• alembic Alembic is an open framework for storing and sharing scene data that includes a C++ library, a file format, and client plugins and applications. http://alembic.io/
• AlembicImporter Alembic importer and exporter plugin for Unity

Tools

UE4

• u4pak
• UModel
• UnrealEnginePython

Unity

• AssetStudio A tool for exploring, extracting and exporting assets and assetbundles
• unitysizeexplorer Visualize how much space each asset in your Unity game takes
• UnityEngineAnalyzer Roslyn Analyzer for Unity3D

Shader

• shader-playground 👍 Shader compilers http://shader-playground.timjones.io
• glsl-optimizer ⭐ GLSL optimizer based on Mesa's GLSL compiler.
• glslang Khronos reference front-end for GLSL and ESSL, and sample SPIR-V generator
• shaderc A collection of tools, libraries and tests for shader compilation.
• ShaderForge unity shader node editor.
• Shader HighLighting: HlslTools nshader ShaderlabVS
• graphicsfuzz A testing framework for automatically finding and simplifying bugs in graphics shader compilers.

ShaderToy

• shader-toy
• ofxShadertoy
• ShaderMan

Visual Effects

• gaffer A open source application framework designed specifically for creating tools for use in visual effects production.
• cortex Libraries for visual effects software development

Texture

• xNormal A free tool to bake texture maps ( like normal maps and ambient occlusion )
• FlowmapPainter
• Fornos GPU Texture Baking Tool
• AwesomeBump generate normal, height, specular or ambient occlusion textures from a single image
• NormalmapGenerator A simple program that converts images into normal maps
• Imogen GPU Texture Generator
• aobaker ambient occlusion baking tool
• Luminance HDR A complete workflow for HDR imaging.

Painter

• InkPainter Texture-Paint on Unity. https://esprogram.github.io/InkPainterDocument/
• WaterByBakeDepth

Atlas

• UVAtlas UVAtlas isochart texture atlas
• Cheetah-Texture-Packer High efficient and fast 2D bin packing tool
• thekla_atlas Atlas Generation Tool
• Unity3D-TextureAtlasSlicer
• VaTexAtlas plugin for Unreal Engine 4 that makes texture atlases simpler to use with UMG system.

GPU Debug

• renderdoc A stand-alone graphics debugging tool. https://renderdoc.org
• CodeXL a comprehensive tool suite that enables developers to harness the benefits of CPUs, GPUs and APUs.
• LPGPU2-CodeXL LPGPU2 CodeXL power performance analysis and feedback tool for GPUs
• perfdoc A cross-platform Vulkan layer which checks Vulkan applications for best practices on Arm Mali devices.
• gapid Graphics API Debugger by google
• vogl OpenGL capture / playback debugger by valve
• apitrace Tools for tracing OpenGL, Direct3D, and other graphics APIs
• GPUVis GPU Trace Visualizer
• Remotery Single C file, Realtime CPU/GPU Profiler with Remote Web Viewer
• BuGLe BuGLe combines a graphical OpenGL debugger with a selection of filters on the OpenGL command stream.
• Other: gDEBugger, NVIDIA Nsight, Microsoft PIX

SDK&Tutorial

API Samples

• DirectX-Graphics-Samples This repo contains the DirectX Graphics samples that demonstrate how to build graphics intensive applications on Windows.
• directx-sdk-samples This repo contains C++ samples from the DirectX SDK updated to build using the Windows 8.x SDK or Windows 10 SDK
• Zombie-Direct3D-Samples June 2010 SDK updated to build with the latest version of Windows and Visual Studio
• IntroductionToVulkan Source code examples for "API without Secrets: Introduction to Vulkan" tutorial
• VulkanTutorial
• Vulkan
• vulkan-sdk for android
• nvpro-samples NVIDIA DesignWorks Samples
• NVIDIA Direct3D SDK 11
• NVIDIA Direct3D SDK 10
• NVIDIA Direct3D SDK 9

Book Code

• OpenGLInsightsCode
• GraphicsGems
• GPUZen

Graphic SDK

• GodComplex
• GPUOpen-LibrariesAndSDKs
• GPUOpen-Effects
• NVIDIAGameWorks
• opengl-es-sdk-for-android
• powervr-graphics

Graphics Awesome

• graphics-resources a list of graphic programming resources
• awesome-graphics Curated list of computer graphics tutorials and resources
• awesome-vulkan A curated list of awesome Vulkan libraries
• awesome-opengl A curated list of awesome OpenGL libraries, debuggers and resources.

Book

• thebookofshaders

Physics

Library

• bullet
• OPCODE
• fcl
• gjk.c
• dyn4j Java Collision Detection and Physics Engine

Fluid

• PositionBasedDynamics physically-based simulation of rigid bodies, deformable solids and fluids.
• SPlisHSPlasH physically-based simulation of fluids.
• GridFluidSim3D A PIC/FLIP fluid simulation based on the methods found in Robert Bridson's "Fluid Simulation for Computer Graphics"
• SPHFluid Interactive 3D Fluid Simulation based on SPH
• RealTimeFluidRendering Implementation of the i3D2018 paper "A Narrow-Range Filter for Screen-Space Fluid Rendering".
• fluid-engine-dev Fluid simulation engine for computer graphics applications https://fluidenginedevelopment.org/

Demo

• GamePhysicsCookbook 《Game Physics Cookbook》for Unity
• SimplePhysicsDemo A simple lil demo showing a jobified physics system

Animation

• ozz-animation open source c++ 3d skeletal animation library and toolset
• acl Animation Compression Library
• cal3d Askeletal based 3d character animation library written in C++ in a platform-/graphic API-independent way.
• GPUSkinning
• Animation-Texture-Baker
• UE4_MotionMatching- Early Implementation of Motion Matching tech
• Render-Crowd-Of-Animated-Characters anim map for vertex shader to modify the vertex position of the mesh at runtime. use gpu instancing to reduce draw call.
• skeleton-builder
• hazumu Raytracing Skeletal Animation

Particle

• XParticle
• VolumetricParticles
• gpu-particles A GPU Particle System for Unity

VR&AR

• AugmentedUnreality
• unrealcv

ML

• AI4Animation Character Animation in Unity3D using Deep Learning and Artificial Intelligence
• NvidiaAIDenoiser A simple implementation of Nvidia's AI denoiser

Visualization

• VTK The Visualization Toolkit