Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

Tensor library for machine learning

Open3D: A Modern Library for 3D Data Processing

openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

CUDA Templates and Python DSLs for High-Performance Linear Algebra

Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations wit…

Mesh optimization library that makes meshes smaller and faster to render

Simple MPL-2.0-licensed C++ geometry processing library.

Multi-channel signed distance field generator

Software modular synth

Fast and minimalist 3D viewer.

Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macO…

An Open-Source subdivision surface library.

GZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an OpenGL renderer and powerful scripting capabilities

Descent 3 by Outrage Entertainment

N64 Emulator

Open Source codebase of the game Overgrowth by Wolfire Games LLC

Cross-Platform Level Editor

Mesh parameterization / UV unwrapping library

C++ image processing and machine learning library with using of SIMD: SSE, AVX, AVX-512, AMX for x86/x64, NEON for ARM.

A C++ & Python viewer for 3D data like meshes and point clouds

A hybrid thread / fiber task scheduler written in C++ 11

Fast, modern C++ DSP framework, FFT, Sample Rate Conversion, FIR/IIR/Biquad Filters (SSE, AVX, AVX-512, ARM NEON, RISC-V RVV)

Insight Toolkit (ITK) -- Official Repository. ITK builds on a proven, spatially-oriented architecture for processing, segmentation, and registration of scientific images in two, three, or more dime…

Animation Compression Library

The most minimal cross-platform GUI library

A collection of source code for computing in the fields of mathematics, geometry, graphics, image analysis and physics.

Free open-source modern C++20 framework to create console (CLI), forms (GUI like WinForms) and unit test (xUnit) applications and libraries on Windows, macOS, Linux, iOS, Android, FreeBSD, Haiku, a…

Modern "Jedi Engine" replacement supporting Dark Forces, mods, and in the future Outlaws.

An FPS/RTS hybrid game powered by the Daemon engine (a combination of ioq3 and XreaL)