Jabarkan Lihat pula dari Calendar (aplikasi)

SyncML, standar terbuka untuk sinkronisasi kalender

Daftar aplikasi yang didukung iCalendar

New Software Lets Users Manage Multiple Calendars & Share Calendars Over The Internet - Apple's July 2002 press release introducing iCal

New Application to Manage & Share Multiple Calendars Now Available for Free Download - Apple's September 2002 press release announcing availability of iCal

Calendar and Scheduling Consortium part of next version of iCal Server (Leopard)

ICal4j  - ICal Java library (with usage examples)

Delegate calendars with Outlook, Entourage, and web mail users  - through Kerio MailServer.

Perl script  and instructions  to subscribe from iCal to a Sun Calendar Server and subsequently sync it to mobile devices through iSync