This page is a collection point for people to post links to IDLE extension modules that they have written themselves.
IdleX provides a large collection of extensions to improve IDLE.
Alias: enhances IDLE's command-line with an alias facility and more. Download @ lwickjr.
Edit: an edit command for Alias that attempts to invoke the IDLE editor on the source code of the object referenced on the command line. Download @ lwickjr.
Cheeseshop / Pypi has a listing of IDLE extensions at Framework :: IDLE