Hi, the two "big" GUI toolkits on Linux are GTK+ and Qt.
Both are free, have Python bindings and a graphical GUI designer, and both have ports for Windows and Mac OS X. Qt does have a better cross-platform- support and supports more platforms, but GTK+3 also works for Linux, Mac OS X and Windows. I myself prefer and recommend GTK+ (http://www.gtk.org), with Glade (https://glade.gnome.org/) as GUI-builder. I'm using it with Python for many years now. The major downside is, that the GTK+-documentation is mainly written for C, but there are many tutorials about Python + GTK+ out there, e.g. https://python-gtk-3-tutorial.readthedocs.io/. But be sure to use GTK+3 and the PyGObject/PyGI-binding and not the old PyGTK-binding (and ideally Python 3). You may also have a look at https://wiki.gnome.org/Projects/GTK+/OSX/Python You can also try Qt (http://qt.io), and one of its Python-bindings. But I was never happy with Qt and think some GUI-concepts of GTK+ are much better than the ones of Qt, and I like Glade much more than the Qt designer. best regards Roland -- https://mail.python.org/mailman/listinfo/python-list