WowAce

TrapBar

BetterOutbox

Powerleveling guide framework

Debuff Monitor: A Powerful & Configurable Raiding Tool

Toggle Windowed Mode with click or keybind.

Prospecting and Disenchanting Aide

Show optimal path for artifact leveling

Data broker for keeping track of your Ankh cooldown.

Library to help with querying unit talents.

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

Client for MagicDKP which handles standby calls and bidding on items.

Does a /who search of multiple dungeons.

Fancy up the PlayerPowerBarAlt frame

Displays bars depending on your professions

Tool for easy task assignments in raids.

Posts a BigBrother-QuickCheck to the raid-channel when a readycheck is started

Social tracking suite.

Keeps tracks of /rolls.

Percent

Shows missing buffs and handles welfare and deluxe buffs as one (motw/gotw, blessings, etc.). This lets you see when you nee...