OpenGL

Horde3Dhorde3d/Horde3D

A lightweight, cross-platform 3D rendering and animation engine with a clean C++ architecture and C-style API.

Light Mapperands/lightmapper

A C/C++ single-file library for drop-in lightmap baking using your existing OpenGL renderer.

ParadoxSiliconStudio/xenko

Xenko is a cross-platform game engine with a focus on VR/AR development, now known as Stride.

openblackopenblack/openblack

An open-source reimplementation of Black & White (2001) in modern C++ with support for OpenGL and Vulkan.

NatronMrKepzie/Natron

Open-source, cross-platform video compositing software with a node-based workflow for visual effects and motion graphics.

Quake3eec-/Quake3e

A modern, optimized Quake III Arena engine with Vulkan and OpenGL renderers, focused on performance, security, and mod compatibility.

Wifibroadcast NGsvpcom/wifibroadcast

A next-generation long-range packet radio link using raw WiFi radio for low-latency data transmission, optimized for drone telemetry and video.

BananaBreadkripken/BananaBread

A C++ 3D game engine ported to run in web browsers using JavaScript, WebGL, and WebAssembly via Emscripten.

OpenTombopentomb/OpenTomb

An open-source re-implementation of the classic Tomb Raider engine for playing Tomb Raider 1-5 and custom levels.

voglValveSoftware/vogl

An OpenGL capture and playback debugger for analyzing and debugging OpenGL applications.

Iongoogle/ion

A portable suite of libraries and tools for building cross-platform graphical client applications with minimal overhead.

axysaxys1/axys

A multi-platform C++ game engine for 2D games on desktop, mobile, Xbox, and WebAssembly, forked from Cocos2d-x.

Axmol Engineaxmolengine/axmol

A C++ multi-platform game engine for 2D development on desktop, mobile, Xbox, and WebAssembly.

Horizon EDAhorizon-eda/horizon

An open-source Electronic Design Automation package for integrated PCB design from schematic entry to gerber export.

MiniFBemoon/minifb

A small cross-platform C library for creating windows and rendering 32-bit pixel buffers.

rovioethz-asl/rovio

A robust visual-inertial odometry framework for real-time motion estimation using cameras and IMUs.

vlcjcaprica/vlcj

A Java framework for embedding native VLC media players in Java applications, providing high-level bindings to LibVLC.

MxEngineasc-community/MxEngine

An educational modern-C++ 3D game engine with deferred PBR, physics, audio, and a runtime editor.

OpenSpadesyvt/openspades

An open-source, cross-platform client for Ace of Spades 0.75, offering enhanced graphics and audio via OpenGL/AL.

makanigoogle/makani

Open-source flight simulator, autopilot controller, and monitoring tools for the Makani airborne wind turbine project.

Siv3DSiv3D/OpenSiv3D

A C++20 framework for creative coding, enabling 2D/3D games, media art, visualizers, and simulators across Windows, macOS, Linux, and the Web.

The Force EngineluciusDXL/TheForceEngine

A modern reverse-engineered replacement for the Jedi Engine, enabling Dark Forces and future Outlaws support on modern systems.

CinoLibmlivesu/cinolib

A header-only C++ library for processing polygonal and polyhedral meshes with a unified abstract mesh data structure.

Riiablocollinsmith/riiablo

A cross-platform Diablo II remake built with Java and LibGDX, supporting PC, Android, and multiplayer.

Arx Libertatisarx/ArxLibertatis

A cross-platform port of the Arx Fatalis first-person role-playing game, enabling modern play on Linux, macOS, and Windows.

TGUItexus/TGUI

A cross-platform modern C++ GUI library with backends for SFML, SDL, GLFW, and raylib.

Cupochneka-nat/cupoch

A CUDA-accelerated library for rapid 3D data processing in robotics, enabling GPU-powered SLAM, collision avoidance, and path planning.

GitHub repositoryPRBonn/semantic_suma

An efficient LiDAR-based semantic SLAM system that builds 3D semantic maps from laser scans.

ffmpeg-concattransitive-bullshit/ffmpeg-concat

Concatenates videos with customizable OpenGL transitions using ffmpeg and GLSL shaders.

Rigel Enginelethal-guitar/RigelEngine

A modern C++ re-implementation of the classic DOS game Duke Nukem II, offering enhanced graphics and usability on modern systems.

Ouzelelnormous/ouzel

A cross-platform C++ game engine for 2D game development, supporting Windows, macOS, Linux, iOS, tvOS, Android, and web browsers.

ironwailandrei-drexler/ironwail

A high-performance QuakeSpasm fork that offloads rendering to the GPU for smooth gameplay on demanding custom maps.

Cocoa-WayJ-x-Z/cocoa-way

A native macOS Wayland compositor written in Rust that enables seamless Linux app streaming without XQuartz.

PL_MPEGphoboslab/pl_mpeg

Single-file C library for decoding MPEG1 video and MP2 audio with minimal dependencies.

deepdivedeepdrive/deepdrive

An open-source simulator for experimenting with and advancing self-driving AI, accessible to anyone with a PC.

raylib-rsdeltaphc/raylib-rs

Rust bindings for raylib, providing idiomatic and safe access to the 2D/3D game development library.