J-Pilot
J-Pilot is an open-source GTK+-based desktop organizer for Unix-like systems written by Judd Montgomery, designed to work with Palm OS-based handheld PDAs. It uses the pilot-link libraries to communicate with Palm devices. It is released under the GNU GPL, version 2.

Linux support
Palm does not provide a version of the software for Linux operating system, nor do they officially support the ones developed by third parties such as J-Pilot or Gnome-Pilot.

Features
Third-party Application Support
Plugin Support
Import and Export Features
Supports Palm Application Features
Supports Datebook, Address, To Do List, and Memo Pad
Supports the newer Contacts and Memos (Calendar and Tasks not yet)

Requirements 
 Before J-Pilot working, users should install Pilot-link and get the newest version available.
 Users must have GTK+version greater than 1.2.0 installed and also need to gtk-devel rpms, or packages installed to build from source.