WowAce

Provides quick notification (sound and visual) of your tanking status of your current target. Meant for tanking.

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

Group interrupt cooldown tracking.

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

Reminds you to Life Tap and Dark Pact

Minimap tweaking module for TweakHub.

SmartQueue

Broker launcher that switches specializations when clicked. Also hides spell learned spam.

FruityLoots

DarkCandy

NShakedown

XML import library

QR Code builder library

Shared handling of media data (fonts, sounds, textures, ...) between addons.

FuBar_TinyTipFu

Light-weight enhanced casting bars

BigTrouble

Combine

A library to provide tools for formatting money and time.

Simple, light-weight, LDB-enabled timer that tracks how long you spend in combat