WowAce

Automatically equip 'Chef's Hat' if the Chef enters the kitchen (Cooking TradeSkill).

LDB addon to manage your addons

Announces results of readychecks to the raid/party, installs "/rc" alias, shows rc timer bar

obRaidAssist

Zone text Data Broker plugin.

Resizes Blizzard raid frames, and adds additional options.

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

Show who is targeted by at least one enemy, and the casting progress of the incoming spell.

ClosetGnome_Tooltip

Make noise when the servr is going to restart

Meeuuuh

Simple font replacement

LDB data source for Instance Tracking

LibRockEvent-1.0

Adds 3 indicators to each side (top, bottom, left and right).

Minimalistic LDB plugin that allows tracking of raid IDs across characters.

Joins the LFG channel automatically.

Helps with interrupt notifications and announcements.

Hotkey interface for spells, macros, other clickables.

FuBar_CombatTimeFu