Opengl GitHub Repositories (2026) · Open Source Tools

Universal Programming Language & Translator

AI-native, GPU-accelerated terminal emulator for Windows with SSH, persistent sessions, split panes, and first-class AI CLI workflows.

If you live in the terminal, kitty is made for you! Cross-platform, fast, feature-rich, GPU based.

PlayStation 3 emulator and debugger

A cross-platform, safe, pure-Rust graphics API.

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

A cross-platform, OpenGL terminal emulator.

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Premium audiophile grade offline music player with native DSP, Visualizer, 10-Band Equalizer, Parametric Equalizer with PreAmp and Milkdrop support, currently in initial alpha testing.

Avogadro libraries provide 3D rendering, visualization, analysis and data processing useful in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas.

high-performance rendering backend (C++, Python, C#, Java)

Low Level Graphics Library (LLGL) is a thin abstraction layer for the modern graphics APIs OpenGL, Direct3D, Vulkan, and Metal

Low-Latency Accelerated Web Remote Desktop Streaming Platform for Self-Hosting, Containers, Kubernetes, or Cloud/HPC

VoxelCore – voxel game engine in C++

An Open Source C# 3D Game Engine under MIT license, inspired by Unity and featuring a complete editor

Thunder Engine – Cross-platform 2D and 3D game engine with modular architecture

Cross-platform Swift implementation of UIKit, mostly for Android

Declarative UI toolkit for modern C++20

Live2D Library for Python (C++ impl): Supports model loading, lip-sync, basic face rigging, and precise click test.

eepp is an open source cross-platform game and application development framework heavily focused on the development of rich graphical user interfaces.