CTk
CTk reference: the main window of a CustomTkinter app, with appearance-mode aware colors, size, title and the usual tkinter window methods.
CTkInputDialog
CTkInputDialog reference: a simple dialog window in CustomTkinter that asks the user for a text input and returns it.
CTkToplevel
CTkToplevel reference: additional windows in CustomTkinter that open on top of the main window, with colors, icon and window methods.