PUBLIC MARKS with tags calendar & synchronisation

BusySync lets you share iCal calendars on a LAN and sync iCal with Google Calendar

With BusySync 2.0, you can perform bidirectional synchronization between iCal and Google Calendar, providing web based access to your calendars from anywhere.

Thunderbird + Lightning + compte Gmail + compatibilité Google Calendar = calendrier partagé pour les petites entreprises.

GCALDaemon est un programme Java - donc indépendant de l'OS - qui permet une synchronisation dans les deux sens entre Google Calendar et tout type de calendrier compatible iCalendar

TTSync provides the most user-friendly SyncML Clients for PDA products -- for Symbian S60s and Windows Mobile based handhelds and smartphones.

GCALDaemon is an OS-independent Java program that offers two-way synchronization between Google Calendar and various iCalalendar compatible calendar applications. GCALDaemon is primarily designed as a calendar synchronizer but it can also be used as a Gmail notifier, Address Book importer, Gmail terminal and RSS feed converter.