A free (LGPL) and portable 3D engine written in C++.

CrystalClear is a 3D gaming system based on the Crystal Space 3D Engine.

NetSpace tries to make a design for a client/server 3D engine model using Crystal Space (but not limited to).

Minimal SDKs for building CrystalSpace for Windows.

A level editor built from scratch for Crystal Space 3d engine. It is based on the conctp of solid geometry and follows the Crystal Space's portal engine approach. [Open source, GPL]