SanderMertens / flecs

A fast entity component system (ECS) for C & C++

KaijuEngine / kaiju

General purpose 3D and 2D game engine using Go (golang) and Vulkan with built in editor

GameFoundry / B3DFramework

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

SpartanJ / eepp

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