Pre Linux Portal
From WebOS Internals
Update links for new wiki.
This page lists applications you can install on your Pre that run through the linux shell, and modifications you can make to the linux to make your Pre do what you want. This is distinct from webOS modifications.
pager/nagger I use my phone as a pager when I'm on-call at work. The Pre's notification tone is way too short and quiet to wake me up. Here's a script that will nag you by playing a .wav file every minute while you have unread messages.