ICalendar Validator checks the encoding and structure of your ICalendar resources against the ICalendar specifications.
ICalendar Aggregator aggregates events from multiple ICalendar feeds. It supports handling duplicates, multiple views (list, day, week), and manual input or correction of events.
A python script printing Icarus' messages as the appeared in Deus Ex.
An Opencart extension that adds images and videos.