Crystal Mapping Tool (aka Crystal Map Tool) is a project with
the goal to develop a fully featured 3D editor for the
Crystal Space engine.
Is CMT part of "Bringer
of Light"?
No. It's a stand-alone project.
However, it was started by the Bringer of Light developers
who were in need of a 3D editor.
Crystal Mapping Tool is a free tool that may be used by any other
project.