With a single click, you can subscribe to tourfilter show calendars in OS X's iCal (pictured) and many other calendaring applications. Try it!

• Subscribe to just my tourfilter shows.
• or Subscribe to all Boston shows tracked by tourfilter users.

iCal is another name for a technology called iCalendar. iCalendar is the language that many calendars use to import and export events and appointments. There is a very helpful wikipedia article on the subject.

According to the article iCalendar is supported by the following calendaring applications:

• Apple iCal
• Chandler
• Lotus Notes
• ScheduleWorld
• Korganizer
• Mozilla Calendar (including Mozilla Sunbird)
• Mulberry
• Ximian Evolution
• Kronolith
• Simple Groupware
• Windows Calendar
• Nuvvo
• to some extent, Microsoft Outlook

For the widget-hearted, you can download iCalendar widgets that will give you one-key access to your tourfilter calendar.

• For Windows (2000 and up) AND Mac (OSX 10.3 and up) users, download the free Yahoo! Widget engine here. It comes with an iCalendar widget.
• For Mac users (OS X 10.4 and up), you just need to download Ben Kazez's iCal Events widget.