CyberPower 320 SL Daemon is a somewhat configurable UPS monitor. It allows you to execute any shutdown script and monitor any serial port the user would like.
ZSRep (Zaurus Synchronization Repository) is a project whose main goal is to provide a professional solution for synchronizing your Sharp Zaurus with any Desktop PIM software on the Linux operating system. It is designed specifically to work with the newer Sharp ROMs (DTM-based).