| Astro Info: GPL astronomy program with color support developed on Unix. |
| Coldsync: Command-line synchronization software for Palm and Visor. |
| CryptoPadSlicer: Conduit for the cryptographic MemoPad replacement CryptoPad application for the Palm. |
| Java Pilot Desktop: Platform-independent desktop enables communication and data interchange with Palms. |
| JustInTime: Works with the pilot-link to synchronize the time between Unix desktop and Palm. J-Pilot plugin also available. |
| PalmAMP for XMMS: XMMS plugin to work with the PalmAMP remote control program for WinAMP. |
| pi-address: X11 based address manager for Palm. |
| Pilot-Link: Command-line tools for connecting to a Palm to sync, add, delete, move, copy, and manipulate Palm data. |
| pilot2pine: Converts Palm address book to Pine format. |
| Pyrite: A Python library which provides high-level object-oriented access to Palm handhelds and their data. |
| Syncal: Syncal reads a current ical calendar file, an archived ical calendar file from the last time syncal was run, and a Palm device DateBook database and reconciles them. |