SoQt is a Qt GUI component toolkit library for Coin. It is also compatible with SGI and TGS Open Inventor, and the API is based on the API of the InventorXt GUI component toolkit.
The library is released publicly under the 3-clause BSD license (see COPYING).
SoQt is supported on UNIX, Win32 and Mac OS X platforms.
Before using SoQt, consider whether Quarter is a better match for your application.