Blender addons to make the bridge between Blender and geographic data
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Voxel game engine in C++ with OpenGL
3D Procedural Game Engine Using OpenGL
An open-source JavaScript library for world-class 3D globes and maps
3D engine with modern graphics
IsoCity: City building simulation game
A fast simplex noise implementation in Javascript / Typescript
Voxel game-creation platform with easy modding and game creation
Interactive, thoroughly customizable maps in the browser
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Java3d scenegraph editor
MIT Licensed Open Source version of Torque3D from GarageGames
For building cross-platform 3D geospatial apps in Java
Cross Platform Professional Procedural Terrain Generation & Texturing
Vivid is a modern C++ 3D engine using OpenGL4+
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Modern 3D engine and IDE written using C# and C++.
a webgl Cesium 3D flight simulator
Open-Source, 3D Printed, Light, Tabletop Strategy War Game
3D .NET engine for Windows, Linux, Mac