Please add software under a category. If a category is missing, please add it!
Win32All - COM and MFC on Microsoft Windows.
TwistedMatrix - Framework, Application Suite and Integrated Environment
GnuEnterprise - Business Application Framework
["txObject ATK"]- Tom's Cross-Platform Object Application Tool Kit features I/O & Timers, Native/Home Grown Threads, and IPC
- ["Kiwi"] - a framework and a set of enhanced PyGTK widgets to make building GUI programs easier.
ToolserverFrameworkForPython - a Framework for simple creation of XMLRPC, SOAP or REST style API servers
[http://www.python.org/pycon/2005/papers/81/PyCon-2005.txt Envisage] - a plugin architecture with GUI support