CopperCube is free for commercial use
Posted: Tue Jul 24, 2018 5:45 am
Via Niko's blog:
http://www.irrlicht3d.org/pivot/entry.php?id=1591
http://www.irrlicht3d.org/pivot/entry.php?id=1591
Official forum of the Irrlicht Engine
https://irrlicht.sourceforge.io/forum/