Renderer GitHub Repositories (2026) · Open Source Tools

🇨🇭 A React renderer for Three.js

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

High performance 3D Gaussian Splatting (3DGS) renderer for Three.js. WebGPU and WebGL2. Supports PLY, SPZ, Streaming LOD including SOG, RAD and LCC2.

high-performance rendering backend (C++, Python, C#, Java)

Easy to use PDF library using Go and PDFium

Low Level Graphics Library (LLGL) is a thin abstraction layer for the modern graphics APIs OpenGL, Direct3D, Vulkan, and Metal

Vulkan ray tracing glTF 2.0 renderer — RTX path tracer with PBR materials, AI denoising (DLSS, OptiX), and scene editing. NVIDIA open-source sample.

A renderer agnostic two-dimensional drawing api for the web

Java library for parsing and rendering CommonMark (Markdown)

Open source C++ 3D game engine

tlRender is an open source library for building playback and review applications for visual effects, film, and animation.

OpenGL 1.x implementation for FPGAs

Blazing fast 2D renderer for the web: 2-4x faster than the most popular one, at a ninth of its size. Verified in an open benchmark.

Offline Roblox UI renderer at Studio parity: renders UI stories and .rbxm trees as Studio shows them, with a storybook and live preview