Top 23 Raytracing Open-Source Projects

• WickedEngine

  9 5,366 9.5 C++

  3D engine with modern graphics

Project mention: List of Unity alternatives | /r/gamedev | 2023-09-19

• tinyraytracer

  9 4,893 0.0 C++

  A brief computer graphics / rendering course

Project mention: But can it raytrace? | /r/termux | 2023-10-16

Source: https://github.com/ssloy/tinyraytracer

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• DiligentEngine

  25 3,317 9.4 Batchfile

  A modern cross-platform low-level graphics library and rendering framework

  

Project mention: DiligentGraphics: Open-source cross-platform rendering middleware | news.ycombinator.com | 2024-04-29

• FluidX3D

  53 3,207 8.6 C++

  The fastest and most memory efficient lattice Boltzmann CFD software, running on all GPUs via OpenCL.

Project mention: FluidX3D | news.ycombinator.com | 2024-03-24

• F3D

  78 2,342 9.6 C++

  Fast and minimalist 3D viewer.

  

Project mention: F3d v2.3.0 Released – Fast and minimalist 3D viewer | news.ycombinator.com | 2024-01-22

• tinykaboom

  1 2,309 0.0 C++

  A brief computer graphics / rendering course

• three-mesh-bvh

  5 2,277 9.5 JavaScript

  A BVH implementation to speed up raycasting and enable spatial queries against three.js meshes.

• SaaSHub

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• graphics-workshop

  4 2,035 0.0 GLSL

  Learn computer graphics by writing GPU shaders!

• zig-gamedev

  55 1,980 9.7 C

  Main monorepo for @zig-gamedev libs and example applications

  

• THREE.js-PathTracing-Renderer

  2 1,829 9.3 GLSL

  Real-time PathTracing with global illumination and progressive rendering, all on top of the Three.js WebGL framework. Click here for Live Demo: https://erichlof.github.io/THREE.js-PathTracing-Renderer/Geometry_Showcase.html

• realism-effects

  2 1,335 9.3 Roff

  SSGI, Motion Blur, TRAA - Effects to enhance your three.js scene's realism

Project mention: How to reach realism? | /r/threejs | 2023-06-15

Cant really recommend anything unless i can see but i always add ambient occlusion to my scenes. SSR can be cool for some reflections. If theres a bright light source like the sun, god rays and lens flare can do a lot also. This repo can be useful: https://github.com/0beqz/realism-effects

• vk_raytracing_tutorial_KHR

  6 1,263 5.9 C++

  Ray tracing examples and tutorials using VK_KHR_ray_tracing

  

• three-gpu-pathtracer

  3 1,214 9.8 JavaScript

  Path tracing renderer and utilities for three.js built on top of three-mesh-bvh.

Project mention: CUDA Accelerated Raytracer | news.ycombinator.com | 2023-06-15

Yeah this is neat but it is 90% not done and that is being generous.

For a open source path tracer with a full glTF compatible material model and lighting and runs in the browser check out:

https://github.com/gkjohnson/three-gpu-pathtracer

Or if you want hardcore features look at Moonray from Dreamworks:

https://github.com/dreamworksanimation/openmoonray

• vk_mini_path_tracer

  4 1,070 5.2 C++

  A beginner-friendly Vulkan path tracing tutorial in under 300 lines of C++.

  

Project mention: Is there a common method to do glossy reflections in Vulkan ray tracing? | /r/vulkan | 2023-05-04

I found a great PRNG in a shader https://github.com/nvpro-samples/vk_mini_path_tracer/blob/main/vk_mini_path_tracer/shaders/raytrace.comp.glsl

• Unreal-Engine-Guide

  17 915 7.3 C++

  Unreal Engine 5 Guide. Learn to develop games for Windows, Linux, macOS, iOS, Android, Xbox Series X|S, PlayStation 5, Nintendo Switch.

• c-ray

  3 774 9.6 C

  c-ray is a small, simple path tracer written in C

• GPU-Raytracer

  28 761 3.6 C++

  GPU Raytracer from scratch in C++/CUDA

• hybrid-rendering

  1 736 0.0 C++

  A Vulkan sample that demonstrates a Rasterization and Ray Tracing Hybrid Rendering Pipeline.

• NextFace

  1 672 2.9 Jupyter Notebook

  A high-fidelity 3D face reconstruction library from monocular RGB image(s)

• raytracer.hpp

  2 667 0.0 C

  Simple compile-time raytracer using C++17

• TrueTrace-Unity-Pathtracer

  1 532 7.3 C#

  A passion projects that has been going on for awhile, finally at a place where I feel comfortable tentatively uploading it to Github for others

• plotoptix

  4 474 8.2 Python

  Data visualisation and ray tracing in Python based on OptiX 7.7 framework.

  

Project mention: Data visualisation and ray tracing in Python based on OptiX framework | news.ycombinator.com | 2023-07-05

• Python-Raytracer

  3 447 0.0 Python

  A basic Ray Tracer that exploits numpy arrays and functions to work fast.

• SaaSHub

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Raytracing related posts

• F3d v2.3.0 Released – Fast and minimalist 3D viewer

  1 project | news.ycombinator.com | 22 Jan 2024

• High Performance Voxel Engine (2021)

  1 project | news.ycombinator.com | 30 Dec 2023

• Offering mentorship for first open source contributions

  1 project | /r/ProgrammingBuddies | 10 Dec 2023

• Some DIY helmet mods for my cyberpunk-inspired cosplay

  1 project | /r/Cyberpunk | 10 Dec 2023

• Looking for Windows devs to help with an opensource C++ 3D viewer

  1 project | /r/windowsdev | 2 Oct 2023

• Data visualisation and ray tracing in Python based on OptiX framework

  1 project | news.ycombinator.com | 5 Jul 2023

• F3D v2.1.0 is out! Fast and minimalist opensource 3D viewer now with better animation, camera option and HDRI support.

  1 project | /r/Unity3D | 4 Jul 2023
• A note from our sponsor - SaaSHub
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