WowAce

Auto-assigns raid targets to group member's crowd control abilities

BadgeWatch

Addon for priority management of combat skills for all classes

RBM_Capping

DuraRecolor

Torta

Adds macrotext to action buttons without the need to create new macros for each button.

Makes you elite

Hidden Reputations

HTML containers for WoW

Reports in raid chat whenever a raid member "fails." /EnsidiaFailsCataclysm to configure.

cyCircled_HKitty

Attaches a sorted, searchable list of available taxi points to the Flight/Ferry Master frame.

"This addon will update your macros to always point at your tank"

Enables splitting items on-the-fly.

Avoids a Blizzard UI bug during zoning after a guild roster entry has been clicked.

AuctionProfit saves information from your invoice auction house mails.

Equipment swap on spec change, Bind key to equipment sets

I've invented a device that tells you when reactive abilities are available!

Nier