Here is some code that you can use to produce mark-up in microformats.

hCard

• hCard creator

hCalendar

• hCalendar creator

hReview

• hReview creator

XFN

• XFN creator – A Web-based interface for quickly creating a link with the proper XFN values. Available in the following languages:
  • English
  • French (translation by Serge K. Keller)
  • Italian (translation by Serge K. Keller and Cécile Matthey)
  • Spanish-Argentina (translation by Manuel Razzari)
  • Dutch (translation by Jeroen Budts — see related post: XFN 1.1 en XFN Creator)
  • Czech (translation by Josef Petrák)
  • Japanese (translation by Kazuhito Kidachi)