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

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

Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

Industry-standard navigation-mesh toolset for games

Bear is a tool that generates a compilation database for clang tooling.

Minimalistic GUI library for OpenGL

A C++11 library for serialization

scene-oriented, flexible 3D engine (C++, Python, C#, Java)

An Open Source Implementation of the Actor Model in C++

C++ Reflection Library

Embedded Scripting Language Designed for C++

NVIDIA PhysX SDK 3.4

Modern C++14 library for the development of real-time graphical applications

C++ bindings for the Godot script API

High performance build system for Windows, OSX and Linux. Supporting caching, network distribution and more.

A generic programming header only C++ library for processing polygonal and polyhedral meshes

Moved to the Godot repo: https://github.com/godotengine/godot/tree/master/modules/mono

Scape terrain editor