WowAce

DungeonCrawler

Restores channels and channel-window associations after disconnects remove them.

Checklist and notes addon.

SanityBags

BangItHarder

Adds easier gear switching to FuBar.

Adds aura indicators to unit frames

Allows combined aura detection. motw + gotw, all 4 mage int buffs, etc. in one status.

Display who crossed the charges on Thaddius

Displays oRA3 main tanks.

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

A lib to manage action bar and timers

OneBag is a replacement for the default game bags that combines all the bags into one frame.

GraphLib

EnvenomX

A raid buff tracker

Reverse Engineering will drill down and search your tradeskills for their elements

For Developers (of Addons which uses LibWho-2.0): show queues and queries in realtime

Allows you to loot BoP items without prompting when not in a group or raid

MessageEvent