Ive rewritten the vCal UDF by Chris Wigginton (cwigginton@macromedia.com) as a custom tag for backwards compatibility with previous versions of cold fusion. The original UDF is available at CFLib the UDF repository here vCal
new "improved" vcal customtag: example / view source
Ive also added some extra functionality to the vCard custom tag. The original version of which is available at The MacroMedia Developers Exchange here CFvCard v1.3
new "improved" vcard customtag: example / view source
More info on vCard and vCalendar technology can be found at http://www.imc.org/pdi/