PyQt is a Python binding of the cross-platform GUI toolkit Qt, implemented as a Python plug-in. PyQt is free software developed by the British firm Riverbank Computing. … PyQt. Qt DesignerDeveloper(s)Riverbank ComputingStable release5.15.6 / October 29, 2021Written inC++ / PythonOperating systemCross-platformPyQt – Wikipedia en.wikipedia.org › wiki › PyQt