« SALOME platform is distributed under terms of the GNU Lesser General Public License (LGPL) license version 2.1.
All used pre-requisites use similar or compatible licenses (with minor exceptions). Detail information about licenses used by SALOME and its pre-requisites can be found on the following page: https://www.salome-platform.org/license/
LICENSE RESTRICTIONS
Hereby we explicitly declare that PyQt and PyQtChart (by Riverbank Computing Ltd) are distributed under the terms of GNU GPL license; for more details, please refer to the PyQt site:
If you plan using SALOME for commercial purposes, please consider obtaining a commercial license for PyQt from Riverbank Computing Ltd.»