FRED stands for Fencing Results and Events Database, it is a self-serve service for fencing tournament organizers and fencers to coordinate participation in tournaments; tournaments (and tournament details) usually get posted here for interested fencers to pre-register. http://www.askfred.net
Flick of the Wrist: Fencing 101
An easy to read site with information about fencing for those less familiar. Also contains an archive of other useful fencing sites.