https://tkdocs.com/
TkDocs Home
TkDocs features tutorials and other material for modern Tk GUI development, using Python/Tkinter, Tcl, Ruby, and Perl/Tkx.
tkdocs
https://tkdocs.com/pyref/
TkDocs - Tkinter Class API Reference
Case Study: IDLE Modernization: Part of a Modern Tk Tutorial for Python, Tcl, Ruby, and Perl
tkdocstkinterclassapireference