Graphical PIM for the Timex Data Link USB watch in Linux. Aims to be a complete replacement for the Windows client. Supports importing for various common formats.
Mcscanner scans a network for multicast sources, which are explicitly avoided in typical network scanners such as nmap. It sends PIM Hello and IGMP Queries then listens to network traffic and prints out the source and destination.
ZSRep (Zaurus Synchronization Repository) is a project whose main goal is to provide a professional cross-platform solution for synchronizing one's Sharp Zaurus with any Desktop PIM software on the Linux or Mac OS X operating system.