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 and performance. https://wickedengine.net
stride Stride Game Engine (formerly Xenko)
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
SpartanEngine Game engine with an emphasis on architectual quality and performance
Granite personal Vulkan renderer
FlaxEngine Flax Engine – multi-platform 3D game engine. https://flaxengine.com/
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
island Project Island is an experimental, hot-reloading Vulkan renderer/proto-engine for Linux, written in C/C++.
DiligentEngine A modern cross-platform low-level 3D graphics library http://diligentgraphics.com/diligent-engine/
three.js JavaScript 3D library. https://threejs.org/
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

Graphics Unity Graphics - Including Scriptable Render Pipeline
armory -3D Game Engine for Blender
RenderPipeline -PBR and Deferred Rendering for the Panda3D game engine
ray-mmd physically-based rendering at mikumikudance

Offline Engine

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"
mitsuba2 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
lighthouse2 Lighthouse 2 framework for real-time ray tracing
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/
fermat a high performance research oriented physically based rendering system, trying to produce beautiful pictures following the mathematician’s principle of least time

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
renderer A shader-based software renderer written from scratch in C89 https://zauonlok.github.io/renderer/
SoftwareRenderer Software rendering engine with PBR. Built from scratch on C++.
Tyler Tile-based SW rasterizer
RetroWarp The GPU is implemented with "pure" software rendering
SoftRas Project page of paper "Soft Rasterizer: A Differentiable Renderer for Image-based 3D Reasoning"

Rendering Design

DataDrivenRendering Data Driven Rendering repository
fg Rendering abstraction which describes a frame as a directed acyclic graph of render tasks and resources.
FrameGraph vulkan abstraction layer that represent frame as a task graph
graphene Vulkan render graph shenanigans

GI

Collection

IlluminationComparison A comparison of typical illumination methods. (SSAO, HBO, VXGI, and Ray Traced Global Illumination)
dirtchamber A mixed reality testing environment for real-time global illumination algorithms

PRT

Irradiance Probes/Voxels

webgl-deferred-irradiance-volumes An implementation of deferred irradiance volumes in WebGL
RTXGI RTX Global Illumination (RTXGI) SDK

VPL

VSGL

VSGL Fast Indirect Illumination Using Two Virtual Spherical Gaussian Lights

RSM

Imperfect Shadow Maps

qt5-shadow-maps Shadow mapping implementation with Qt5 and OpenGL

Instant Radiosity

LPV

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

VCT

Nigiri An almost-dynamic voxel-based global illumination system for Unity.
SEGI NKLIA fully-dynamic voxel-based global illumination system for Unity
Unity-SRP-VXGI Voxel-based Global Illumination using Unity Scriptable Render Pipeline
VCTRenderer Deferred Voxel Shading for Real Time Global Illumination
voxel-cone-tracing A real-time global illumination implementation using voxel cone tracing.
VoxelConeTracingGI Global illumination with Voxel Cone Tracing in fully dynamic scenes using a 3D clipmap to support huge areas around the camera while maintaining a low memory footprint.
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
MAGE Game and rendering engine featuring both forward and deferred PBR (physically-based rendering) pipelines with optional indirect illumination using Voxel Cone Tracing.
Voxel_Cone_Tracing Voxel-Cone-Tracing easy to understand

SSGI

SSGI-URP Screen Space Global Illumination for Unity Universal Render Pipeline
FSSGI Fast Screen Space Global Illumination

DFGI

Lighting Grid

LGHDemo Real-Time Rendering with Lighting Grid Hierarchy I3D 2019 Demo

Point Based GI

PBGI Point Based Global Illumination

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++
GLSL-PathTracer �� A GLSL Path Tracer
PSRayTracing A (modern) C++ implementation of the first two books of the Peter Shirley Ray Tracing mini-books
rayn A small path tracing renderer written in Rust.
simple-bidirectional-pathtracer
edubpt
Volumetric-Path-Tracer Volumetric path tracer using cuda
simple-spectral A Simple Spectral Renderer

RTX

Quartz Physically based Vulkan RTX path tracer with a declarative ES7-like scene description language.
DXRPathTracer A (very) simple path tracer implemented using DirectX Ray Tracing (DXR)
WispRenderer RTX Ray Tracing Renderer, made by Y3 students at Breda University of Applied Science https://teamwisp.github.io
rtx-explore DirectX Raytracing Path Tracer
PBRVulkan Vulkan Real-time Path Tracer Engine
Helios Real-time unidirectional GPU path tracer using the cross-vendor Vulkan ray-tracing extensions.
vk_mini_path_tracer A beginner-friendly Vulkan path tracing tutorial in under 300 lines of C++.

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
DXR-PhotonMapper An implementation of Photon Mapping using DXR

Ambient occlusion

KinoObscurance Alchemy Ambient Obscurance ---AlchemyHPG11
ScalableAmbientObscurance https://research.nvidia.com/publication/scalable-ambient-obscurance
XeGTAO An implementation of [Jimenez et al., 2016] Ground Truth Ambient Occlusion, MIT license
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
SSRT Real-time indirect diffuse illuminaton using screen-space information for Unity.
AmplifyOcclusion Full source-code for Amplify Occlusion plugin for Unity
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".
RTAO Ray Traced Ambient Occlusion (RTAO) implemented using DirectX Raytracing (DXR)
BNAO A tiny, GPU-based Bent Normal and Ambient Occlusion baker for Unity.
dxr-ao-bake A demo of ambient occlusion map baking using DXR

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 A C/C++ single-file library for drop-in lightmap baking. Just use your existing OpenGL renderer to bounce light!
seamoptimizer A C/C++ single-file library that minimizes the hard transition errors of disjoint edges in lightmaps.
BakingLab A D3D11 application for experimenting with Spherical Gaussian lightmaps
GPULightmass Luoshuang's GPULightmass for UE4
trianglepacker Triangle packer for light map
HDR_Lightmapper Implements a cycles based lightmapper with denoiser
The_Lightmapper Fast and easy baked GI Lightmaps for Blender and Cycles
LightmapperToy This project is a hobby lightmapper completely based on Houdini geometry nodes. Basically it grew out of a re-implementation of Matt's The Baking Lab with some modification.

MLGI

DeepIllumination Code and examples from our paper "Deep Illumination: Approximating Dynamic Global Illumination with Generative Adversarial Networks," by Manu Mathew Thomas and Angus Forbes

GI Simulation

Diffuse inter-reflection

Caustic

SC_Tracer photon mapping for global illumination and caustic
Crystal-Caustics Approximated crystal caustics effect in Unity.

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
URP_ScreenSpacePlanarReflections Simple example of implementing screen space planar reflections as a RenderFeature for URP
UnityURP-MobileScreenSpacePlanarReflection A simple and fast ScreenSpacePlanarReflection(SSPR) as a standalone reusable RendererFeature in URP.
Jin-Engine-2.1 The implementation of Pixel-projected Screen Space Reflections
BakedReflectionsUnity �� Reflection Probe Atlas impl. for Unity

Refraction

SS-refraction-through-depth-peeling-in-threejs Screen space refraction through depth peeling in threejs

Shadow

realtimeshadows codes
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
Cinder-Experiments A collection of experiments, samples and other bits of code.
of-ESMShadowMapping Exponential Shadow Mapping in openFrameworks
RayTracedShadows This demo implements BVH construction and GPU traversal for rendering hard shadows.
RaytracedHardShadow DXR based raytraced hard shadow for Unity
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
voxelized-shadows-improved Construction and sampling of precomputed shadows in a compressed voxel octree
DeepShadowMap Real-Time Deep Shadow Maps for Unity3D

PostProcessing

Collection

PostProcessing
reshade-shaders A collection of post-processing shaders written for ReShade. https://reshade.me
Cat-PostProcessing
Unity5Effects
Unity_ScreenSpaceTechStack This is a package which contains SSAO, SSDiffuse and SSReflection.

AA

CMAA2 Conservative Morphological Anti-Aliasing 2.0
MSAAFilter MSAA and Temporal AA Sample
temporal Temporal Reprojection Anti-Aliasing for Unity 5.0+
TAA_Unity_URP Temporal Anti-Aliasing(TAA) for Unity’s Universal Render Pipeline
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
DLAA (DLAA) Directionally Localized antiAliasing
TAA-STAR C++/Vulkan Implementations of State of the Art Temporal Anti-Aliasing Techniques
UE4 DLSS DLSS Plugin for Unreal Engine

Denoising

oidn Intel(R) Open Image Denoise library http://www.openimagedenoise.org/
NvidiaAIDenoiser A simple implementation of Nvidia's AI denoiser
RealTimeDenoisingNeuralBilateralGrid [EGSR2020] Real-time Monte Carlo Denoising with the Neural Bilateral Grid
practicalDenoising Reference Implementation of Practical Denoising for VFX Production Using Temporal Blur
bcd Bayesian Collaborative Denoiser for Monte-Carlo Rendering
glslSmartDeNoise �� Fast glsl spatial deNoise filter

Bloom

SE-Natural-Bloom-Dirty-Lens (Legacy) post-processing effect for Unity.
Unity_StarGlow This is an implementation of Kawase's light-streak.

Tone Mapping

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

ImageProcess

UnityImageEffects
NeuralNetworkPostProcessing Unity Post Processing with Convolution Neural Network
RunwayML-for-Unity RunwayML for Unity �� https://runwayml.com/integrations
Procedural-painting Procedural painting algorithms in Unity 3d with compute shaders based on genetic evolution algorithms
Waifu2xBarracuda Waifu2x Unity Barracuda implementation
barracuda-style-transfer Companion code for the Unity Style Transfer blog post, showcasing realtime style transfer using Barracuda.
android-gpuimage Android filters based on OpenGL (idea from GPUImage for iOS)

Compression

JPEG-MP4-Compression-PostProcessing-Effect-for-Unity3D This package aims to accurately recreate the effect of JPEG/MP4 compression as a PostProcessing Effect

Material

Shade Model

BSDF

libbsdf Library for BSDF, BRDF, and BTDF
brdf brdfExplorer
BRDFExplorer http://corralx.github.io/projects
Lux Lux – open source physically based shader framework for unity
Alloy Alloy physical shader framework for Unity. https://alloy.rustltd.com/
AntonovSuit
brdf Code sample accompanying the article "Crash Course in BRDF Implementation"
anisotropic_layered_material Code for "Real-time Rendering of Layered Materials with Anisotropic Normal Distributions", SIGGRAPH ASIA 2019.
WaveOpticsBrdf This code implements the key ideas of the paper: Rendering Specular Microgeometry with Wave Optics, by Ling-Qi Yan, Miloš Hašan, Bruce Walter, Steve Marschner, Ravi Ramamoorthi.

SVBRDF

svbrdf-oculus materials from Two-Shot SVBRDF Capture for Stationary Materials by Aittala et al (2015).
Matmorpher Code repository for the EGSR 2021 paper MatMorpher: A Morphing Operator for SVBRDFs

BSSRDF

Subsurface-Light-Transport-Raytracer
SingleScatteringEditing
hitchhikersscatter A Hitchhiker’s Guide to Multiple Scattering

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.

AreaLight

LTC_BRDF_Fit BRDF fitting code for LTC Area Lights by Heitz et al.
ltc_code Code for "Real-Time Polygonal-Light Shading with Linearly Transformed Cosines"
rtswplusd Real-Time Shading with Polyhedral Lights using Silhouette Detection

Character

SSS

FastTranslucentShader
separable-sss iryoku's SSSSS
ScreenSpaceSubsurfaceScattering
SubsurfaceScattering An implementation of a set screen space physically-based subsurface scattering algorithms
MultipassTranslucency fake subsurface-scattering shader, using multiple passes with different blend ops to calculate thickness without reading back the depth buffer.

Skin

pbrt-skin-bssrdf Implementation of Donner & Jensen's "A Spectral BSSRDF for Shading Human Skin" in PBRT
skin-shader-unity GPU Gems 3 - Chapter 14 using the Unity engine
Unity-Human-Skin-Shader-PC
FaceWorks A middleware library and sample application for high-quality skin and eye rendering

Eye

Hair

TressFX DirectX 11 library that provides convenient access to realistically rendered and simulated hair and fur
vkhr Real-Time Hybrid Hair Rendering using Vulkan™
WetaHair Implementation of "Importance Sampling for Physically-Based Hair Fiber Models"
libWetHair A Multi-Scale Model for Simulating Liquid-Hair Interactions http://libwethair.info

Colth

libwetcloth A Multi-Scale Model for Simulating Liquid-Fabric Interactions
fabric-micro-detail-scattering Micro Detail Fabric Shader

Silk

Fur

FurRendering Fur rendering in Unity with Shell Texturing
UnityFurShader Fur shader for Unity.
GIFT_PorterDoll PorterDoll Asset wtih "THE GIFT"
ShellFurGodot Add-on that adds a fur node to the Godot engine, using a shell based approach to imitate fur strands.

Glint

specular-manifold-sampling Code for "Specular Manifold Sampling for Rendering High-Frequency Caustics and Glints" (SIGGRAPH 2020)
real_time_glint real_time_glint_dictgenerator Procedural Physically based BRDF for Real-Time Rendering of Glints.

Nature

Water

Ceto �� Ceto: Ocean system for Unity
WaterSurfaceWavelets Water Surface Wavelets (SIGGRAPH 2018) http://visualcomputing.ist.ac.at/publications/2018/WSW/
FSWW Fundamental Sources for Water Wave Animation
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
UE4_Dynamic_Water_Project Unreal Engine 4 Dynamic Water Project by marvelmaster
WaveWorks WaveWorks is a library for simulating wind-driven waves on large bodies of water, in real time, using GPU acceleration.
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.
RealtimeWater implemented based on "Fast Water Simulation for Games Using Height Fields".
fft-ocean WebGL FFT (Fast Fourier transform) ocean rendering for Three.js
EncinoWaves Implementation of "Empirical Directional Wave Spectra for Computer Graphics" paper by Christopher Horvath
water-wave-packets Sandbox binary and source code for the Siggraph 2017 paper "Water Wave Packets" by Stefan Jeschke (NVIDIA) and Chris Wojtan (IST Austria)
WaveParticle A project for testing the wave particle
Wave-Particles-with-Interactive-Vortices A dx12 river renderer using wave particles with interactive vortices.
UnityWaveEquation unity实现二维波方程交互水面与实时焦散
WaterCaustics Water caustic rendering experiments in OpenGL with Python
threejs-caustics Caustics computation using ThreeJS
water-demo A port of Evan Wallace's "Water Demo" for WebGL to Unity.
Ocean_mobile_with_boat_physic Ocean mobile with boat physic controller
Unity-WaterBuoyancy Water Buoyancy Simulation for Unity
UnityTerrainErosionGPU Hydraulic and thermal erosion with shallow water equations implemented in Unity using compute shaders.
DynamicWaterDemo A real-time dynamic water simulation with object interaction made entirely within the Godot Engine.
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

Unity-IndentShader http://wacki.me/blog/2017/01/dynamic-snow-sand-shader-for-unity/
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.
SnowSimulation GPU Snow Simulation for Unity and Direct3D
snow "A Material Point Method for Snow Simulation" (Stomakhin et al., 2013).
SnowSimulation

Sand

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

Grass

KvantGrass Animating grass shader for Unity
UnityGrassGeometryShader https://roystan.net/articles/grass-shader.html
GLGrassRenderer implementation of Responsive Real-Time Grass Rendering for General 3D Scenes
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
GPUGrass real-time grass rendering based on GPU instancing
MassiveGrass Unity Terrain spawns a large number of grasses along the edge of the tree (shader independent)

Tree

Vulkan-Forest-Rendering-Engine

Terrain

Terrain-Topology-Algorithms Terrain topology algorithms in Unity
tin-terrain A command-line tool for converting heightmaps in GeoTIFF format into tiled optimized meshes.
TerrainPrettifier A small GPU-based component designed to aid in cleaning and refining satellite/DEM based terrains directly inside Unity.
PVTUT Procedural Virtual Texture with Unity Terrain
terrain-erosion-3-ways Three Ways of Generating Terrain with Erosion Features
Webgl-Erosion Erosion simulation in Web Browser

Cloud

volsample Research on sampling methods for real-time volume rendering
kode80CloudsUnity3D A realtime volumetric cloud rendering solution for Unity3D.
clouds Volumetric Clouds plugin for Stingray
Meteoros Real-time Cloudscape Rendering in Vulkan based on the implementation of clouds in the Decima Engine.
Custom-Middleware Ephemeris 2 is a middleware solution for implementing a dynamic 24 hour Skydome System.
VolumeCloud Volume cloud for Unity3D
Clouds https://www.youtube.com/watch?v=4QOcCGI6xOU
TerrainEngine-OpenGL renders an (almost) procedural scene, featuring a terrain with distance adaptive LOD, water surface simulation and volumetric clouds.
realtime_clouds Experiment with generating clouds in real time on low end computer
Marshmallow Vulkan-based implementation of clouds from Decima Engine
volumetric-clouds Volumetric clouds in Unity
Raymarch-Clouds Unity Iq's Clouds.
droplet-render Volumetric cloud modeling and rendering for Blender.
Mesh-Cloud-Rendering Reimplement Sea of Thieves's Cloud in Unity
UnlitClouds A unity cloud shader, using vertex colors and tessellation for a simple stylized look.

Sky

SkyboxPanoramicShader
SkyModels A collection of various Sky Models implemented with OpenGL compute shaders suitable for real-time rendering.
sun-sky Various sun/sky models, convolution of theta/gamma-parameterised models
nvjob-sky-shader-simple-and-fast #NVJOB Dynamic Sky. Sky Shaders. Free Unity Asset.

Rain

Unity-Raindrops raindrops shader
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.
volumetric-fire Project for Computer Graphics course by Jaagup Kuhi, Siim Raudsepp and Andri Poolakese

Ice

Iridescent

Iridescence
Iridescent Shader Iridescence shader
SoapFlow a fluid simulation of a 2D soap film

Glass

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

Gem

UnityRayTracingGem Ray tracing gem shader for Unity

Environment

VolumetricLight

VolumetricLights Volumetric Lights for Unity
LightShafts A light shafts (volumetric shadows) effect for Unity.
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

FakeVolumetricLight

VolumetricTracer A simple way to render soft, volumetric bullet tracers in Unity. Only needs a unit cube and a material to render and supports instancing.

Atmospheric

UnrealEngineSkyAtmosphere A Scalable and Production Ready Sky and Atmosphere Rendering Technique
AtmosphericScattering Atmospheric Scattering for Unity
precomputed_atmospheric_scattering Eric Bruneton, 2017
Brunetons-Improved-Atmospheric-Scattering Eric Bruneton for Unity, 2017 LWRP ver(greje656)
clear-sky-models This project implements 8 clear sky models in a common framework to compare them with each other and with a reference model and reference measurements.
OutdoorLightScattering Outdoor Light Scattering Sample
Scatterer Atmospheric scattering mod for KSP
tectonics.js 3d plate tectonics in your web browser
MinimalAtmosphere A minimal atmospheric scattering implementation for Unity
glsl-atmosphere Renders sky colors with Rayleigh and Mie scattering.

Fog

unity-volumetric-fo
UEShaderBits-GDC-Pack UE4 Volumetric Fog Techniques
SSMS Screen space multiple scattering for Unity.

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.
Cluster Clustered shading implementation with bgfx
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.
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
SweetTexelShading Texel-Shading (experimental!) with Unity's ScriptableRenderPipeline

Camera

Physically Based Camera

DOF

HexBokehBlur Hexagonal Bokeh Blur
BokehDepthOfField Implementing Different Algorithms to mimic Bokeh Depth Of Field: A Physical Camera Effect created due to Focal Length, Aperture size, shape
VVDoFDemo

Lens

PhysicallyBasedLensFlare Lens flare
LightLeaksUnity Light Leaks Image Effects for Unity
hdreffects High dynamic range rendering, with lens flare approximation and bloom
LensFlares Simple GPU Occlusion for Lens Flares
UnityOcclusionLensFlare A Lens Flare effect for Unity that doesn't require Physics.

Standard Format

OpenShadingLanguage Advanced shading language for production GI renderers
glTF-SDK glTF-SDK is a Software Development Kit for glTF
cgltf Single-file glTF 2.0 loader and writer written in C99
fx-gltf A C++14/C++17 header-only library for simple, efficient, and robust serialization/deserialization of glTF 2.0
gltf-pipeline Content pipeline tools for optimizing glTF assets
USD Universal Scene Description http://www.openusd.org
MaterialX MaterialX is an open standard for transfer of rich material and look-development content between applications and renderers.
MDL NVIDIA Material Definition Language SDK
OpenMeshEffect OpenFX Mesh Effect API - A plug-in API for cross-software procedural mesh effects

Stylize

NPR

NPR_Lab Test some NPR in Unity.
JasonMaToonRenderPipeline JTRP : Unity HDRP ToonShading Render Pipeline (Preview)
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.
UnityChanToonShaderVer2_Project UnityChanToonShaderVer2 Project / v.2.0.7 Release
MToon Toon Shader with Unity Global Illumination
PoiyomiToonShader A feature rich toon shader for unity and VR Chat
Xiexes-Unity-Shaders A re-write and restructure of XSToon.
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
UnityNPR A testbed for non-photorealistic rendering in Unity.
ChinesePaintingDemo Demo of Chinese Painting Shader
WaterColorFilter WaterColorFilter for Unity
ToonLandscape3 ToonLandscape3
Toon-Shader A character focused Toon Shader for Unity using Shader Graph.
URP_StylizedLitShader Madumpa's URP Stylized Lit Shader Repository
BotW-ToonShader A recreation of Zelda: Breath of the Wild's toon shader in Unity, using Shader Graph

Low Poly

LowpolyOcean low polygon water effect working in Unity
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.
3d-quickhull Header only 3d quickhull in c99 http://www.karim.naaji.fr/projects/quickhull

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.
magicavoxel-shaders Shaders for MagicaVoxel to simplify common and repetitive tasks.
UnityVOXFileImport A tool to import a .vox file for Unity's GameObject and Prefab
Terasology open source voxel world http://terasology.org
VoxelSpace errain rendering algorithm in less than 20 lines of code
unity-voxel Mesh voxelization for Unity.
tsdf-fusion Fuse multiple depth frames into a TSDF voxel volume.
Marching-Cubes-Terrain Marching Cubes terrain implementation in Unity using the Job System and the Burst compiler

Volume Rendering

RayMarch

uRaymarching Raymarching Shader Generator in Unity
unity-ray-marching Ray Marching Sandbox
unity-volume-rendering Volume rendering by object space raymarching for Unity.
Texture3DPreview-for-Unity This package enables interactive previews of Texture3D assets in Unity's Inspector window.
UnityVolumeRendering A volume renderer, made in Unity3D. See slides from presentation here: https://speakerdeck.com/mlavik1/volume-rendering-in-unity3d
unity-ray-marching Ray marching for rendering 3D noise and textures in Unity 3D
UE4_VolumeRaymarching Plugin for UE4 to perform volume raycasting

Point Clouds

PCL A standalone, large scale, open project for 2D/3D image and point cloud processing.
Pcx Point cloud importer & renderer for Unity
compute_rasterizer Rendering Point Clouds with Compute Shaders
potree WebGL point cloud viewer for large datasets
point2mesh Reconstruct Watertight Meshes from Point Clouds [SIGGRAPH 2020]

Shear-warp

Other

OpenVDB Sparse volume data structure and tools. OpenVDBForUnity
openvkl Intel® Open Volume Kernel Library (Intel® Open VKL) is a collection of high-performance volume computation kernels

Acceleration

Frustum Culling

sseculling

PVS

kPortals A pre-calculated Portal visibility system for Unity.
CornerCulling Fast and Maximally Accurate Occlusion Culling

..

pipeline nvpro-pipeline is a research rendering pipeline
IndirectOcclusionCulling Indirect Occlusion Culling
melt Automatic conservative mesh occluder generation by box filling

Bounding

bounding-mesh Implementation of the bounding mesh and bounding convex decomposition algorithms for single-sided mesh approximation

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 This project is a state-of-the-art software occlusion culling system.
vigilant-system

Hardware Occlusion Queries

Hierarchical-Z Buffer

Hierarchical-Z-Buffer

Hierarchical Occlusion Map

GPU-Driven

Indirect-Rendering-With-Compute-Shaders Compute shader: Frustum culling,Occlusion culling with HierarchicalZBuffer
gpu_occlusion_culling_vk GPU occlusion culling using compute shader with Vulkan

Imposter

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

LOD

Planet-LOD Planet Rendering: Adaptive Spherical Level of Detail based on Triangle Subdivision

HLOD

HLODSystem HLOD system

Meshlets

meshlete Chop 3D objects to meshlets
gl_vk_meshlet_cadscene This OpenGL/Vulkan sample illustrates the use of "mesh shaders" for rendering CAD models.

Spatial Data Structures

UnityOctree A dynamic, loose octree implementation for Unity written in C#
NativeQuadtree A Quadtree Native Collection for Unity DOTS
KDTree Fast KDTree for Unity, with thread-safe querying.
KdTree A fast, generic, multi-dimensional Binary Search Tree written in C#
aabo Axis Aligned Bounding Octahedron
three-mesh-bvh A BVH implementation to speed up raycasting and enable spatial queries against three.js meshes.
bhh Bounding Halfspace Hierarchy
Fast-BVH A Simple, Optimized Bounding Volume Hierarchy for Ray/Object Intersection Testing
bvh A modern C++ BVH construction and traversal library
bvh BVH STAR in Japanese
ooc_svo_builder Out-Of-Core Construction of Sparse Voxel Octrees - reference implementation
SparseVoxelOctree A GPU SVO Builder using rasterization pipeline, a efficient SVO ray marcher and a simple SVO path tracer.
Transvoxel-XNA Transvoxel implementation in C# for XNA
HashDAG Interactively Modifying Compressed Sparse Voxel Representations

SDF

Discregrid A static C++ library for the generation of discrete functions on a box-shaped domain. This is especially suited for the generation of signed distance fields.
IsoMesh A group of related tools for Unity for converting meshes into signed distance field data, raymarching signed distance fields, and extracting signed distance field data back to meshes via surface nets or dual contouring.
SDFr Unity. ECS. Many rays intersect in triangles
MeshToSDF Unity. Computer Shader. JFD Generate SDF in realtime
Signed-Distance-Field-Generator Unity. Computer Shader. Find the nearest distance of the triangle
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
DeepSDF Learning Continuous Signed Distance Functions for Shape Representation
sdfu Signed Distance Field Utilities https://crates.io/crates/sdfu
mTec Rendering the World Using a Single Triangle:Efficient Distance Field Rendering
distance-occlusion A library of distance and occlusion generation routines
pb_CSG Constructive Solid Geometry (CSG) csg.js
rust_test ��
snelly A system for physically-based SDF (signed distance field) pathtracing in WebGL
Signed Signed will be an GPL licensed editor and renderer for procedural Signed Distance Functions (SDFs).

Transparency

unity-dithered-transparency-shader Unity material and shader for applying clipped, dithered transparency
PreMulAlpha Pre-Multiplied blend mode

OIT

Order-Independent-Trasparency
OIT_Lab
oitDemo Order Independent Transparency In OpenGL 4.x
vk_order_independent_transparency Demonstrates seven different techniques for order-independent transparency in Vulkan.

Optimization

OffScreenParticleRendering Off Screen Particle Rendering system for UnityOther.....
TLVulkanRenderer Vulkan-based renderer on real-time transparency

Differentiable

redner Differentiable rendering without approximation.
nvdiffrast Nvdiffrast - Modular Primitives for High-Performance Differentiable Rendering.
jrender Jrender 2.0 (Jittor渲染库)

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
GeometricTools �� A collection of source code for computing in the fields of mathematics, geometry, graphics, image analysis and physics.
glm OpenGL Mathematics (GLM) https://glm.g-truc.net
CGAL geometric algorithms in the form of a C++ library.
GEOS Geometry Engine
klein �� P(R*_{3, 0, 1}) specialized SIMD Geometric Algebra Library https://jeremyong.com/klein
MTL Matrix Template Library, a linear algebra library for C++ programs.
DirectXMath DirectXMath is an all inline SIMD C++ linear algebra library for use in games and graphics apps
polyscope A prototyping-oriented UI for geometric algorithms https://polyscope.run
geomc A c++ linear algebra template library
geometry3Sharp C# library for 2D/3D geometric computation, mesh algorithms, and so on
fastapprox Approximate and vectorized versions of common mathematical functions
hlslpp Math library using hlsl syntax with SSE/NEON support
vml C++17 GLSL-like vector and matrix math lib
mathfu C++ math library developed primarily for games focused on simplicity and efficiency. http://google.github.io/mathfu

MathInShader

ShaderFastLibs Shader libraries for fast shader opetations.

SH

sh-lib Spherical/zonal harmonics library
spherical-harmonics Spherical harmonics library
IntegralSH Integrating Clipped Spherical Harmonics Expansions
HLSL-Spherical-Harmonics A collection of HLSL functions one can include to use spherical harmonics in shaders.
SHTOOLS SHTOOLS - Spherical Harmonic Tools https://shtools.github.io/SHTOOLS/

FFT

benchmarking-fft choosing FFT library
VkFFT Vulkan Fast Fourier Transform library
GLFFT A C++11/OpenGL library for the Fast Fourier Transform
dj_fft Header only FFT library

Sampling

SampleZoo Simple implementations of sampling patterns, with objective tests to compare them

Random

pcg-cpp PCG Random Number Generation

Image&Color

Noise

procedural-tileable-shaders Collection of tileable procedural textures such as: cellular noise, fbm, voronoi, perlin and other.
FastNoise Fast C++ Noise Library. Others Version: C++/C#/SIMD/Unity/Unreal
LibNoise.Unity libnoise Coherent noise library for Unity, a port of LibNoise
webgl-noise ⭐ Procedural Noise Shader Routines compatible with WebGL
GPU-Noise-Lib Optimized GPU noise functions and utilities http://briansharpe.wordpress.com/
Wombat An efficient texture-free GLSL procedural noise library
NoiseShader Noise shader library for Unity
OpenSimplex2 Successors to OpenSimplex Noise, plus updated OpenSimplex.
Accidental Noise Library generating Perlin noise and other forms of noise in a modular fashion.
VisualNoiseDesigner Visual Noise Designer for Unity
TileableVolumeNoise Collection of functions that can be used to generate tileable volume/3d noise. An exemple of volume noise functions that can be specifically used for clouds is also presented.
CloudNoiseGen A static utility class for Unity which handles generating and loading periodic, cloud-like (perlin-worley) 3D noise textures on the GPU.
BlueNoiseGenerator an implementation of a Siggraph 2016 paper "Blue-noise Dithered Sampling" by Iliyan Georgiev and Marcos Fajardo from Solid Angle
LowDiscBlueNoise generate 2D point sets which have both low discrepancy and Blue-Noise properties.
glsl-curl-noise CurlNoise
Noice Noise generator utility.

Computer Vision

OpenCV Open Source Computer Vision Library. C# Wrapper opencvsharp
unrealcv UnrealCV: Connecting Computer Vision to Unreal Engine

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)
ImageViewer HDR, PFM, DDS, KTX, EXR, PNG, JPG, BMP image viewer and manipulator
Dithering-Unity3d Dithering algorithms for Unity3d
psd_sdk A C++ library that directly reads Photoshop PSD files.
hdrview High-dynamic range image viewer with an emphasis on examining and comparing images, and including minimalistic tonemapping capabilities.

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
basis_universal ⭐ Basis Universal GPU Texture and Texture Video Compression Codec
bc7enc Single source file BC1-5 and BC7 encoders and BC1-5/7 decoders with MIT or Public Domain licenses
astc-encoder This is the official repository for the Arm ASTC Encoder, a texture compressor for the Adaptive Scalable Texture Compression data format.
betsy Betsy aims to be a GPU compressor for various modern GPU compression formats such as BC6H, purposedly written in GLSL so that it can be easily incorporated into OpenGL and Vulkan projects.
Goofy Goofy - Realtime DXT1/ETC1 encoder
GPURealTimeBC6H Real-time BC6H compression on GPU
tev High dynamic range (HDR) image comparison tool for graphics people with an emphasis on OpenEXR images.
KtxUnity �� Load KTX and Basis Universal textures at runtime

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.

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
fast_obj Fast C OBJ parser

Subdivision

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

Simplification

Fast-Quadric-Mesh-Simplification Mesh triangle reduction using quadrics
UnityMeshSimplifier Mesh simplification for Unity.
simplify Implementation of Surface Simplification Using Quadric Error Metrics, SIGGRAPH 97, written in Go.
SeamAwareDecimater Mesh simplification with UV's boundary preserved
BunnyLOD Cross platform GLFW based port of Stan Melax's BunnyLOD Easy Mesh Simplification

Deform

Deform A framework for deforming meshes in the editor and at runtime in Unity.

Destruction Slicer

unity-fracture Fracture any mesh at runtime
unity-delaunay A Delaunay/Voronoi library for Unity, and a simple destruction effect
unity-destruction An open-source script to destroy objects realistically in Unity3D.
ezy-slice An open source mesh slicer framework for Unity3D Game Engine. Written in C#.
mesh-cutter Simple mesh cutting algorithm that works on simple 3d manifold objects with genus 0

Modeling

Dust3D �� a cross-platform 3D modeling software. Auto UV unwrapping, auto rigging with PBR Material support, pose and motion authoring all in one. https://dust3d.org/
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
pmp-library The Polygon Mesh Processing Library
PyMesh a rapid prototyping platform focused on geometry processing https://pymesh.readthedocs.io
trimesh Python library for loading and using triangular meshes.
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
mmg open source software for bidimensional and tridimensional remeshing http://www.mmgtools.org
Directional Directional is a C++ library for creating, manipulating and visualizing directional fields on 3D meshes
Easy3D A lightweight, easy-to-use, and efficient C++ library for processing and rendering 3D data

Sketch

monster-mash A new sketch-based modeling and animation tool that allows you to quickly sketch a character, inflate it into 3D, and promptly animate it.

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.

Direction fields

fieldgen Generates high-quality, optimally smooth tangent direction fields on triangle meshes.

Platform

herebedragons A basic 3D scene implemented with various engines, frameworks or APIs.
glfw A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input
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
ImGuizmo Immediate mode 3D gizmo for scene editing and other controls based on Dear Imgui
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.

Util

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

GPGPU

arrayfire ArrayFire: a general purpose GPU library.
hipSYCL Implementation of SYCL for CPUs, AMD GPUs, NVIDIA GPUs
Amplifier.NET Amplifier allows .NET developers to easily run complex applications with intensive mathematical computation on Intel CPU/GPU, NVIDIA, AMD without writing any additional C kernel code.
moderngpu Patterns and behaviors for GPU computing

VFX

UnityExperiments Collection of experimental Unity Projects
ShadersForFun ShadersForFun
smo-shaders A collection of shaders to replicate those used in Super Mario Odyssey's Snapshot Mode.
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

MetaBlobs

MetaBlob Meta Blobs for Unity 3D.
unity-metaball unity-metaball

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
UnityScreenSpaceBoolean Screen Space Boolean Implementation for Unity.
3DXRayShader_Unity Surface shader. Clips a Model with given plane , applies fresnel on clipped part and highlights the cross section.

PageCurl

Unity3DBookPageCurl Page curl effect for Unity3D using native UI tools

Projector

ProjectorForLWRP Projector component
DynamicShadowProjectorExtensionForLWRP

Decal

driven-decals A mesh-based PBR decal system for Unity's universal render pipeline.
ProjectionSpray Draw spray to 3D model with Unity.
Splatoonity Splatoon like painting in Unity 3D
unity_coneofsightfx This project shows how to implement Commandos cone of sight fx in Unity3D.

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
UltimateOutline The easiest way to achieve outlines in unity.
UnityOutlineShader Source code for Outline Shader tutorial for Unity. Detects edges in a scene using the depth and normals buffers.

Motion

AmplifyMotion Amplify Motion was the first Full-scene Motion Blur extension for Unity
ProceduralMotion A collection of procedural motion scripts for Unity

Portal

unity-portal-rendering Super small example of using offscreen render targets to achieve a portal effect in Unity
shaders-portal A showcase of shader effects to replicate portals in videogames.

Fractal

ElectricSheep_WebGL WebGL Electric Sheep Renderer

InteriorMapping

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

Dissolve

VerticalDissolve Procedural vertical dissolve shader. Highly customizable. Tweak edge color, noisiness & waviness, rim light, emission scrolling and more.

HoloShield

HoloShield Highly customizable sci-fi shield / force field shader for Unity3D.

Glitch

CyberPunkEffect Cyberpunk 2077 Scanning Effect

SmearFrame

SmearFrame Unreal Engine 4 smear frame material effect
SmokeBlur

Matcap

matcaps Huge library of matcap PNG textures organized by color
spherical-environment-mapping Spherical Environment Mapping GLSL Shader
UnityMatCapShader Unity MatCap shader

EchoFX

unity_echofx The Division ECHO fx implemented in Unity3D

Cubism

Cubism-Shader A shader that creates a cubism effect based on voronoi segmentation in Unity 3d

Wireframe

unity-solidwire-shader A simple shader which renders stylized wireframes while staying true (within reason) to the visual style of the Vectrex

Growth

hedera paint 3D ivy in the Unity Editor, watch procedurally generated meshes simulate growth and clinging in real-time

VFXGraph

HDRP-Fluvio Some early tests of FluvioFX with VFX Graph and HDRP

Compute Shader Effect

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

Others

GPU-Line-of-Sight GPU Line of Sight / Field of View visualization for Unity

Tools

UE4

UnrealEngine

Unity

Unity

DataExchange

Unity-AlembicToVAT Alembic to VAT (Vertex Animation Texture) mini tool
VFXGraphSandbox Unity VFX Graph technical experiment.
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

Shader

Pyramid �� Pyramid Shader Analyzer
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.
ShaderConductor ShaderConductor is a tool designed for cross-compiling HLSL to other shading languages
graphicsfuzz A testing framework for automatically finding and simplifying bugs in graphics shader compilers.
ComputeSharp A .NET Standard 2.1 library to run C# code in parallel on the GPU through DX12 and dynamically generated HLSL compute shaders
ShaderDebugger C++ library for debugging HLSL & GLSL shaders
Shader HighLighting: HlslTools nshader ShaderlabVS

ShaderToy

glslViewer Console-based GLSL Sandbox for 2D/3D shaders shaders
SHADERed ⭐ Lightweight, cross-platform & full-featured shader IDE
shader-toy Shadertoy-like live preview for GLSL shaders in Visual Studio Code
ShaderMan Convert ShaderToy to Unity HLSL/CG https://smkplus.github.io/ShaderMan.io

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

armorpaint �� 3D PBR Texture Painting Software https://armorpaint.org
material-maker A procedural textures authoring and 3D model painting tool based on the Godot game engine
Materialize Materialize is a program for converting images to materials for use in video games and similars.
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.
TextureGenerator 3D and 2D Noise/Texture generation using the compute shaders within the Unity engine.

Atlas

boundary-first-flattening Boundary First Flattening (BFF) is a free and open source application for surface parameterization.
OptCuts a new parameterization algorithm, jointly optimizes arbitrary embeddings for seam quality and distortion
simpleuv Automatic UV Unwrapping Library for Dust3D
xatlas �� Mesh parameterization / UV unwrapping library. A cleaned up version of thekla_atlas
thekla_atlas Atlas Generation Tool
UVAtlas UVAtlas isochart texture atlas
Cheetah-Texture-Packer High efficient and fast 2D bin packing tool
Unity3D-TextureAtlasSlicer
VaTexAtlas plugin for Unreal Engine 4 that makes texture atlases simpler to use with UMG system.
RectangleBinPack Source code for performing 2d rectangular bin packing.
pack-spheres Brute force circle/sphere packing in 2D or 3D

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.
agi Android GPU Inspector
gapid Graphics API Debugger by google
microprofile embeddable CPU/GPU profiler
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

d3d12book Sample code for the book "Introduction to 3D Game Programming with DirectX 12"
OpenGLInsightsCode
GraphicsGems
GPUZen
ray-tracing-gems
jgt-code Code developed for articles in the "Journal of Graphics Tools"

Graphic SDK

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&Tutorial

thebookofshaders
ShaderTutorials Shaders For People Who Don't Know How To Shader, a tutorial series for beginners!
ekzhang/graphics-workshop Learn computer graphics by writing GPU shaders!

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 Animation Texture Baker for Unity
UE4_MotionMatching- Early Implementation of Motion Matching tech
skeleton-builder
hazumu Raytracing Skeletal Animation
ssds An implementation of Skinning Decomposition with Similarity Transformations (I3D2018)

ML

AI4Animation Character Animation in Unity3D using Deep Learning and Artificial Intelligence

Bone

uSpringBone High performance SpringBone using ECS and JobSystem in Unity.
UnityChanSpringBone UnityChan Sping Bone System for lightweight secondary animations
SPCRJointDynamics 布風骨物理エンジン
EZSoftBone A simple kinetic simulator for Unity, you can use it to simulate hair/tail/breast/skirt and other soft objects
dem-bones An automated algorithm to extract the linear blend skinning (LBS) from a set of example poses

IK

SimpleIK Unity Inverse Kinematics made easy

Skin

DQ-skinning-for-Unity DQ-skinning
dem-bones An automated algorithm to extract the linear blend skinning (LBS) from a set of example poses

Particle

XParticle
Effekseer This software is a particle effect editing tool.
VolumetricParticles
gpu-particles A GPU Particle System for Unity
OffScreenParticleRendering

Visualization

VTK The Visualization Toolkit

OpenGraphic

OpenGraphic

Contents

Official

Engine

Engine Plugin

Offline Engine

Soft Renderer

Rendering Design

GI

Collection

PRT

Irradiance Probes/Voxels

VPL

VSGL

RSM

Imperfect Shadow Maps

Instant Radiosity

LPV

VCT

SSGI

DFGI

Lighting Grid

Point Based GI

Radiosity

Ray tracing

Path tracing

RTX

Metropolis Light Transport

PhotonMapping

Ambient occlusion

Bent Normal

Radiosity Normal Mapping

LightMap

MLGI

GI Simulation

Diffuse inter-reflection

Caustic

Reflection

Refraction

Shadow

PostProcessing

Collection

AA

Denoising

Bloom

Tone Mapping

ImageProcess

Compression

Material

Shade Model

BSDF

SVBRDF

BSSRDF

IBL

AreaLight

Character

SSS

Skin

Eye

Hair

Colth

Silk

Fur

Glint

Nature

Water

Snow

Sand

Grass

Tree

Terrain

Cloud

Sky

Rain

Fire

Ice

Iridescent

Glass

Gem