OpenGL

Panda3Dpanda3d/panda3d

A powerful, mature open-source cross-platform game engine for Python and C++ programs, originally developed by Disney and CMU.

EZAudiosyedhali/EZAudio

A simple, intuitive audio visualization and processing framework for iOS and macOS built on Core Audio.

OpenLaraXProger/OpenLara

An open-source engine for playing and developing Classic Tomb Raider games across multiple platforms.

GPUImage2BradLarson/GPUImage2

A Swift framework for GPU-accelerated image and video processing on iOS, macOS, and Linux.

melonDSmelonDS-emu/melonDS

A Nintendo DS emulator focused on accuracy and performance, aiming to do things right and fast.

OgreOGRECave/ogre

A proven, modular C++ rendering engine for building high-performance 3D applications and custom game engines.

Pixelfaiface/pixel

A hand-crafted 2D game library in Go providing fast graphics, simple API, and platform-independent core.

CloudCompareCloudCompare/CloudCompare

A 3D point cloud and mesh processing software for comparing, editing, and analyzing large-scale 3D data.

Mapbox GLmapbox/mapbox-gl-native

A C++ library for rendering interactive, customizable vector maps in native Android, iOS, macOS, Node.js, and Qt applications.

PyQtGraphpyqtgraph/pyqtgraph

A pure-Python graphics library for fast data visualization and GUI tools in scientific and engineering applications.

Diligent EngineDiligentGraphics/DiligentEngine

A modern cross-platform low-level graphics API abstraction layer and rendering framework for game engines and 3D applications.

JMonkeyEnginejMonkeyEngine/jmonkeyengine

A 3-D game engine for adventurous Java developers, offering a complete open-source suite for cross-platform game development.

projectMprojectM-visualizer/projectm

A cross-platform open-source library for rendering Milkdrop-compatible music visualizations from audio input.

Cocos2d for iPhonecocos2d/cocos2d-iphone

A framework for building 2D games and interactive applications for iOS, macOS, and tvOS using Objective-C or Swift.

RmlUimikke89/RmlUi

A lightweight C++ UI library that renders HTML/CSS-like documents for games and applications, with full control over rendering and input.

TerasologyMovingBlocks/Terasology

An open-source voxel world game engine and platform for creating diverse gameplay experiences in a block-based environment.

Halleyamzeratul/halley

A lightweight, cross-platform game engine written in modern C++17, designed for high performance and easy long-term maintenance.

libfreenectOpenKinect/libfreenect

A cross-platform userspace driver for the Microsoft Kinect, providing access to RGB/depth images, motors, accelerometer, LED, and audio.

Warzone 2100Warzone2100/warzone2100

A free, open-source 3D real-time strategy game with a story-driven campaign, online multiplayer, and customizable units.

Gliumglium/glium

A safe, high-level OpenGL wrapper for Rust that provides an elegant API while handling error-prone OpenGL details.

OpenSceneGraphopenscenegraph/OpenSceneGraph

A high-performance 3D graphics toolkit for real-time visualization, simulation, and virtual reality applications.

OpenXRayOpenXRay/xray-16

An improved, open-source version of the X-Ray Engine used in the S.T.A.L.K.E.R. game series, featuring bug fixes, performance boosts, and cross-platform support.

HeapsHeapsIO/heaps

A cross-platform, high-performance graphics engine for game development using the Haxe language.

Intermediate Graphics Library (IGL)facebook/igl

A cross-platform C++ graphics library providing a low-level GPU abstraction over Metal, Vulkan, OpenGL, and WebGL.

G3Ng3n/engine

A cross-platform 3D game engine written in Go, featuring OpenGL rendering, an integrated GUI, and spatial audio.

zDoomZDoom/gzdoom

A modder-friendly OpenGL/Vulkan source port for Doom engine games with advanced scripting and rendering features.

OpenSubdivPixarAnimationStudios/OpenSubdiv

An open-source library for high-performance subdivision surface evaluation on CPU and GPU, matching Pixar's Renderman precision.

wipEout Rewritephoboslab/wipeout-rewrite

A re-implementation of the 1995 PlayStation game wipEout, playable in a web browser and on desktop platforms.

LibrePCBLibrePCB/LibrePCB

A free, cross-platform Electronic Design Automation (EDA) suite for designing printed circuit boards.

BEPUphysicsbepu/bepuphysics2

A pure C# 3D real-time physics simulation library for .NET 8, offering high-performance rigid body physics.

ioquake3ioquake/ioq3

A community-maintained, open-source engine for Quake III Arena and Team Arena, providing modern enhancements and cross-platform support.

Pangolinstevenlovegrove/Pangolin

A lightweight portable library for OpenGL display, interaction, and video input abstraction, widely used in computer vision prototyping.

LSD-SLAMtum-vision/lsd_slam

A real-time monocular SLAM system that creates large-scale semi-dense maps using a fully direct approach without feature extraction.

GoBoyHumpheh/goboy

A multi-platform Nintendo Game Boy and Game Boy Color emulator written in Go, featuring debugging tools and broad game compatibility.

OpenGL ExamplesMcNopper/OpenGL

A collection of 45 OpenGL 3.x and 4.x examples with GLSL shaders demonstrating modern graphics programming techniques.

simbodysimbody/simbody

High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems.