WowAce

Write event handlers in a simple GUI in-game

LDB launcher micro buttons

A standalone addon to walk around the 4.0.1 inspecting BUG. Also provides help for other addon that need Inspecting

A Coordinates Data Broker plugin.

Shows the number of battle resurrections you have and when the next one will become available during a boss encounter.

BetterMagnet

RBM_Sunwell

LDB port of TimeToDie, showing estimated target life expectancy in an LDB object

FuBar_uFriends

Library to handle and store information about frame that are possible targets to anchor other frames to.

StopHealingMobs

Manage Raid Queues

ArenaMaster

Baggins_ClosetGnome

Adds TargetIcon status to Grid2 (player / player-target).

Marks the Balcony adds in the Horridon encounter

Adds the ability to send mass mails to guild ranks.

Corrects unspecified mod sounds to use the Master channel.

Show a bar indicating the unit's Burning Embers count.

What actual item level is an item? Yes, it's horrible we need a library for this.