WowAce

Durability Data Broker plugin.

Makes grid QuickHealth aware

A 'channeling spell'-tracking addon for Affliction Warlocks. Drain Soul, Drain Life/Harvest Life and Malefic Grasp.

Leveling guides for trade skill professions.

Toolset for tanks, providing information on taunts and other valuable information.

Filters AFK and DND messages after you've seen them once.

Customizeable UI to display the values tracked by AbsorbsMonitor

A frame designed for each specialization of druid's watching their main power and important buffs/debuffs

Lists and/or reminds people missing flasks or food buffs at every ready check.

GirlFriend

Gives a Smoother Quest Experience

DotDotDot

Show coordinates on minimap

Displays bars depending on your professions

Puts a timer in /yell when you get Unbound Plague during the Heroic Professor Putricide encounter

Interface-central mount management

Short EPEEN

SanityItemCache

XP and Reputation bars

NRT_EPGP