OpenGL

Threeppmarkaren/threepp

A cross-platform C++20 port of the three.js library, enabling 3D graphics rendering in C++ applications.

gpuvismikesart/gpuvis

A GPU trace visualizer for analyzing and debugging graphics performance on Linux systems.

ShockolateInterrupt/systemshock

A cross-platform source port of System Shock that closely mimics the original with quality-of-life improvements.

DLangUIbuggins/dlangui

A cross-platform GUI toolkit for the D programming language, featuring widgets, layouts, themes, and OpenGL acceleration.

Limeopenfl/lime

A foundational Haxe framework providing unified APIs for cross-platform development across native, web, and mobile targets.

Nazara EngineNazaraEngine/NazaraEngine

A cross-platform C++ framework for building real-time applications with 2D/3D rendering, audio, physics, and networking.

DDraceNetworkddnet/ddnet

A free cooperative platformer game and mod of Teeworlds, focused on team-based obstacle courses.

DDraceNetworkddnet/ddnet

A free cooperative platformer game and mod of Teeworlds focused on team-based obstacle courses.

StratusGFXKTStephano/StratusGFX

A realtime 3D rendering engine focused on modern graphics techniques, designed for learning and integration.

Modern OpenGL Seriestomdalling/opengl-series

Open-source code examples accompanying a comprehensive Modern OpenGL tutorial series covering textures, matrices, lighting, and 3D graphics.

Oxygineoxygine/oxygine-framework

A C++ engine and framework for building 2D games across iOS, Android, Windows, Linux, Mac, and web platforms.

Supernovasupernovaengine/supernova

A free, cross-platform game engine for 2D and 3D projects using an entity component system (ECS) and data-oriented design.

Font Stashmemononen/fontstash

A lightweight C library for building font texture atlases on-demand using stb_truetype.

Skylichtskylicht-lab/skylicht-engine

A high-performance, lightweight C++ game engine for mobile and web platforms, evolved from Irrlicht 3D.

point_labelerjbehley/point_labeler

A desktop tool for labeling individual points and polygons in LiDAR point cloud datasets, specifically designed for KITTI format.

ESIMuzh-rpg/rpg_esim

An open-source simulator for event cameras, providing accurate event generation with IMU and multi-camera support.

ffmpeg-gl-transitiontransitive-bullshit/ffmpeg-gl-transition

An FFmpeg filter that applies GLSL video transitions from the gl-transitions collection to video streams.

BaronyTurningWheel/Barony

An open-source first-person roguelike dungeon crawler game built in C++ with multiplayer support.

Limon Engineenginmanap/limonEngine

A multi-platform 3D game engine focused on first-person games with dynamic lighting, physics, and an integrated editor.

QB64QB64Team/qb64

A modern extended BASIC+OpenGL language with QB4.5/QBasic compatibility that compiles native binaries for Windows, Linux, and macOS.

NAppGUIfrang75/nappgui_src

SDK for building cross-platform desktop applications in ANSI-C for Windows, macOS, and Linux.

DXX-Rebirthdxx-rebirth/dxx-rebirth

A modern source port of Descent 1 & 2 that updates the classic 3D shooters for contemporary PCs while preserving the original gameplay.

GLSMACafwbkbc/glsmac

An unofficial open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri and Alien Crossfire for modern systems.

Giderosgideros/gideros

A cross-platform development environment for creating 2D/3D games and interactive applications with Lua, supporting Android, iOS, desktop, and web.

blahNoelFB/blah

A minimal 2D C++ game framework focused on simplicity, portability, and easy building with few dependencies.

LibrelancerLibrelancer/Librelancer

An open-source re-implementation of the 2003 space simulation game Freelancer, built with C# and OpenGL.

gbe-plusshonumi/gbe-plus

A portable Game Boy emulator focused on full hardware emulation including peripherals, with experimental Nintendo DS support.

AUIaui-framework/aui

A cross-platform, high-performance UI toolkit for building hardware-accelerated desktop applications with modern C++20.

OpenApocalypseOpenApoc/OpenApoc

An open-source re-implementation of the classic strategy game X-COM: Apocalypse, requiring the original game files to run.

Koolfabmax/kool

A Kotlin multiplatform graphics engine supporting Vulkan, WebGPU, and OpenGL for desktop, Android, and web.

FIFEfifengine/fifengine

A multi-platform isometric game engine with C++ core and Python bindings for creating extensible 2D games.

neoGFXi42output/neogfx

A cross-platform GPU-oriented C++ application and game framework for building performant UIs and graphics using modern GPUs.

play-cljcoakes/play-cljc

A Clojure and ClojureScript library for making games that run in both OpenGL and WebGL.

BlueSkyTUDelft-CNS-ATM/bluesky

An open-source Python-based air traffic simulator for research on air traffic management and air traffic flows.

Delphi-OpenCVLaex/Delphi-OpenCV

Delphi and Free Pascal bindings for OpenCV 2.4.13, enabling computer vision development in Object Pascal.

rvizros2/rviz

A 3D visualization tool for ROS 2 robots, enabling real-time sensor data display, robot model viewing, and interactive debugging.