Some links I picked up when doing some cursory research for Jabber Reminders (not all necessarily so related!):
- RDFical-a-matic
- http://feetup.org/RDFical.rdf
- Feet up! : RDF/iCalendar.html
- Economics LTSN Events
- Semantic Web Advanced Development for Europe (SWAD-Europe) events listing
- RDF Site Summary 1.0 Modules: Event
- RDF+events html displayer
- RSS to Outlook
- WebTella
- Index of /2002/12/cal/test
- RDF — iCalendar
- linking items with events in RSS
- FOAF in image RSS feeds