OpenGL

Alacrittyjwilm/alacritty

Alacritty is a fast, cross-platform terminal emulator powered by OpenGL.

Alacrittyalacritty/alacritty

A fast, cross-platform, OpenGL terminal emulator with extensive configuration and high performance.

Ghosttyghostty-org/ghostty

A fast, feature-rich, cross-platform terminal emulator with native UI and GPU acceleration, plus an embeddable library.

raylibraysan5/raylib

A simple and easy-to-use C library for videogames programming and multimedia applications.

LibGDXlibgdx/libgdx

A cross-platform Java game development framework for desktop, Android, HTML5, and iOS using OpenGL (ES).

Libgdx Texture Packerlibgdx/libgdx

A cross-platform Java game development framework for desktop, Android, HTML5, and iOS using OpenGL (ES).

lvgllvgl/lvgl

A free, portable embedded graphics library for creating beautiful UIs on any MCU, MPU, and display type.

Filamentgoogle/filament

A real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2.

3D Game Shaders For Beginnerslettier/3d-game-shaders-for-beginners

A step-by-step guide to implementing SSAO, depth of field, lighting, normal mapping, and more for your 3D game.

OpenRAOpenRA/OpenRA

A libre real-time strategy game engine for classic Westwood games like Command & Conquer: Red Alert.

Bullet Physicsbulletphysics/bullet3

A real-time collision detection and multi-physics simulation SDK for VR, games, robotics, and machine learning.

openageSFTtech/openage

A free engine clone of the Genie Engine used by Age of Empires, Age of Empires II, and Star Wars: Galactic Battlegrounds.

MonoGamemono/MonoGame

A .NET framework for creating cross-platform games using C#, re-implementing the discontinued XNA Framework.

MonoGameMonoGame/MonoGame

A .NET framework for creating cross-platform games using C#, re-implementing the discontinued XNA Framework.

PPSSPPhrydgard/ppsspp

A fast, portable, and high-level emulator for the PlayStation Portable (PSP) that runs on Android, Windows, Mac, Linux, and iOS.

RetroArchlibretro/RetroArch

A cross-platform frontend for the libretro API, enabling emulators and game engines to run as modular cores.

Craftfogleman/Craft

A simple Minecraft clone written in C using modern OpenGL with online multiplayer support.

OpenFrameworksopenframeworks/openFrameworks

A community-developed cross-platform C++ toolkit for creative coding and interactive art.

Box2Derincatto/box2d

A high-performance 2D physics engine for games with continuous collision detection, multithreading, and SIMD optimization.

Gyroflowgyroflow/gyroflow

An open-source application that stabilizes video using gyroscope and accelerometer data from cameras or external devices.

LÖVElove2d/love

A free, open-source 2D game framework for creating cross-platform games with Lua.

OpenTTDOpenTTD/OpenTTD

An open-source transport simulation game based on Transport Tycoon Deluxe, featuring expanded gameplay and multiplayer support.

Stridestride3d/stride

An open-source C# game engine for realistic rendering and VR, featuring a visual editor and cross-platform support.

Endless Skyendless-sky/endless-sky

A free, open-source sandbox space exploration game featuring trading, combat, missions, and an evolving storyline.

DeepMind Labdeepmind/lab

A customizable 3D platform based on Quake III for agent-based AI and deep reinforcement learning research.

mGBAmgba-emu/mgba

A fast and accurate Game Boy Advance emulator that also supports Game Boy and Game Boy Color games.

Gephigephi/gephi

An open-source platform for visualizing and manipulating large graphs and networks with real-time performance.

Gephi Datasetsgephi/gephi

An award-winning open-source platform for visualizing and manipulating large graphs and networks.

Makepadmakepad/makepad

An AI-accelerated Rust platform for building native and web apps with a live-editable UI DSL and GPU-accelerated rendering.

PlotJugglerfacontidavide/PlotJuggler

A fast, powerful, and intuitive desktop application for visualizing and analyzing time series data from files, streams, and robotics systems.

TIC-80nesbox/TIC-80

A fantasy computer for making, playing, and sharing tiny retro games with built-in development tools.

Golang Desktop Embeddergo-flutter-desktop/go-flutter

An unofficial Flutter embedder for desktop platforms (Windows, macOS, Linux) using Go and GLFW.

Sodium (for Fabric)CaffeineMC/sodium-fabric

A Minecraft client optimization mod that improves frame rates, reduces micro-stutter, and fixes graphical issues.

NanoVGmemononen/nanovg

A small antialiased vector graphics rendering library for OpenGL, modeled after HTML5 canvas API.

nesfogleman/nes

A Nintendo Entertainment System (NES) emulator written in Go with OpenGL graphics and audio support.

Panda3Dpanda3d/panda3d

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