helpand an interface to the blt graph widget the interface to pmw megawidgets is similar to that of basic tkinter widgetsso python scripts can freely mix pmw megawidgets with standard tkinter widgets moreoverpmw is pure python codeand so requires no compiler or tools to install to view its widgets and the corresponding code you use to construct themrun the demos\all py script in the pmw distribution package you can find pmw at tix tix is collection of more than advanced widgetsoriginally written for tcl/tk but now available for use in python/tkinter programs this package is now python standard library modulecalled tkinter tix like tkthe underlying tix library is also shipped today with python on windows in other wordson windowsif you install pythonyou also have tix as preinstalled library of additional widgets tix includes many of the same devices as pmwincluding spin boxestreestabbed notebooksballoon help pop upspaned windowsand much more see the python library manual' entry for the tix module for more details for quick look at its widgetsas well as the python source code used to program themrun the tixwidgets py demonstration program in the demo\tix directory of the python source distribution (this directory is not installed by default on windows and is prone to change--you can generally find it after fetching and unpacking python' source code from python orgttk tk themed widgetsttkis relatively new widget set which attempts to separate the code implementing widget' behavior from that implementing its appearance widget classes handle state and callback invocationwhereas widget appearance is managed separately by themes much like tixthis extension began life separatelybut was very recently incorporated into python' standard library in python as module tkinter ttk also like tixthis extension comes with advanced widget typessome of which are not present in standard tkinter itself specificallyttk comes with widgets of which are already present in tkinter and are meant as replacements for some of tkinter' standard widgetsand of which are new--comboboxnotebookprogressbarseparatorsizegrip and treeview in nutshellscripts import from the ttk module after tkinter in order to use its replacement widgets and configure style objects possibly shared by multiple widgetsinstead of configuring widgets themselves as we'll see in this it' possible to provide common look-and-feel for set of widgets with standard tkinterby subclassing its widget classes using normal oop techniques (see "customizing widgets with classeson page howeverttk offers additional style options and advanced widget types for more details tkinter overview