This is just a placeholder page at the moment, but you can still download some stuff here.
xp3tools-20060708.zip - Windows binaries and Python sources for XP3 archive extraction and repacking. Also includes all necessary files and documentation to adapt scripts to use automatic English word-wrapping.
insani.py - Utility routines in Python for archive extraction and repacking. This links to the latest version, but if you need prior ones, here they are too:
World of Insanity hacking examples: