PUBLIC MARKS with tags linux & pim

Funambol provides open source push email, PIM sync and device management software to mobile carriers, service providers and OEMs around the world.

Chandler 0.6 delivers an experimentally usable calendar for individuals and small workgroups. It is a test release for collecting feedback based on real usage. In addition to basic calendaring, advanced features include: recurring events; time-zones; overlayed, multiple calendars; and managing a single event across calendars.

MultiSync is a free modular program to synchronize calendars, addressbooks and other PIM data between programs on your computer and other computers, mobile devices, PDAs or cell phones. MultiSync works on any Gnome platform, such as Linux.

Tomboy is a desktop note-taking application for Linux and Unix.

The fact you can effortlessly switch from a 15-year-old program like Unix ical to something cutting-edge like Sunbird or KOrganizer without sacrificing features shows that the underlying technology is well-designed.