Fast and minimalist 3D viewer.

Yocto/GL: Tiny C++ Libraries for Data-Driven Physically-based Graphics

MaterialX is an open standard for the exchange of rich material and look-development content across applications and renderers.

⚡️基于物理的渲染（PBR）白皮书 | White Paper of Physically Based Rendering(PBR)

3D game engine with lua scripting

An implementation of physically based shading & image based lighting in D3D11, D3D12, Vulkan, and OpenGL 4.

Clustered Forward/Deferred renderer with Physically Based Shading, Image Based Lighting and a whole lot of OpenGL.

pbrt 中文整合翻译 基于物理的渲染：从理论到实现 Physically Based Rendering: From Theory To Implementation

Rust crate to implement a counterpart to the PBRT book's (3rd edition) C++ code. See also https://www.rs-pbrt.org/about ...

An open source physically based renderer.

Software rendering engine with PBR. Built from scratch on C++.

3D C/C++ Game Engine - Created By Brady Jessup

Specification and reference implementation for the OpenPBR Surface shading model

Make VST2 / VST3 / AU / AAX / CLAP / LV2 / FLP plug-ins for Linux/macOS/Windows, using D.

Clustered shading implementation with bgfx

Vulkan RTX path tracer with a declarative ES7-like scene description language.

A physically-based path tracer

A database of physically based values for CG artists.

Real-time Direct3D 12 path tracer

General purpose engine written in C++ with emphasis on materials rendering (PBR, clear coat, anisotropy, iridescence)