Godot Engine – Multi-platform 2D and 3D game engine

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.…

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

OpenGL Mathematics (GLM)

Reliable & unreliable messages over UDP. Robust message fragmentation & reassembly. P2P networking / NAT traversal. Encryption.

A brief computer graphics / rendering course

Lightweight and modular C++11 graphics middleware for games and data visualization

Game engine

Open-source, cross-platform, C++ game engine for creating 2D/3D games.

A lightweight game engine written in modern C++

Implementation of Peter Shirley's Ray Tracing In One Weekend book using Vulkan and NVIDIA's RTX extension.

A cross-platform 2D game engine

C++ game engine for Windows, macOS, Linux, iOS, tvOS, Android, and web browsers

Cross platform 2D and 3D game engine in C++.

A cross platform 2D game engine written in C++ for beginners