WowAce

Compact scrolling vendor frame

Automatically sells low quality gray items to the vendor.

Monitors AP when dots are applied, clearly showing current vs applied AP levels.

Ranged stats Data Broker plugin.

Suppress chat messages when specified items are looted

Broker_CalendarEvents

Spawns toasts for looted items, money, and currencies.

Reports in raid chat whenever a raid member "fails." /EnsidiaFailsWotLK to configure.

Cartographer_Data

Action button layout and configuration

Customizeable UI to display the values tracked by AbsorbsMonitor

Announce which globule to kill during the Yor'sahj the Unsleeping encounter.

DaPortrait

LDB broker for group interrupts

Shows a frame to track your Pyrite debuff on Flame Leviathan and it's trash. Completely based on MalygosStacks by Nebula.

A boss encounter engine used by other add-ons

Shows a money overview for your current realm in the tooltip on the money in your bags

LibAvionAddin-1.0

Zone text Data Broker plugin.

Makes it very easy to collect rare battle pets.