There are 2 repositories under engine3d topic.
KlayGE is a cross-platform open source game engine with plugin-based architecture.
4X Space Strategy game Star Ruler 2's open source distribution.
Tiny OpenGL Wrapper / 3D Engine in C++
High Performance Game Engine for Production Pipeline
A versatile real-time platform for making 3D, 2D games and apps.
开源Web3D低代码平台,一条龙可视化搭建Web3D应用、编辑器、引擎,共建开放互助的Web3D生态
Gloomy Dungeons II - a continuation of old-school 3d-shooter.
Old-school 3D shooter for android. Wolf-like engine, but *not* raycasting.
3D Graphics Engine For Games | C++ OpenGL 4.1
Neta from <NEW GAME!> Sakura Nene's game engine.
A path tracer based on hardware ray tracing
Example projects for GateEngine, a cross platform game engine for Swift developers.
Bang OLD REPO. Please go to the current repo ============>
Vulkan Render Engine
A fast and modern vulkan based rendering engine
Graphics Framework (engine) with modular architecture
UNMAINTAINED: Please have a look at the vulkan-renderer
3D graphics rendering engine
A component based 3D game engine writen in C++
BoardGamr-Engine is Game Engine to make console board games in c/c++ it provide all the necessary methods to make simple game using only ASCII characters provides various types of board,game cards,dice and player modules