WowAce

Allows you to browse your clients database

Displays item durability and repair cost.

Keeps track of current money and all your characters on one realm.

Keeps track of space left in your bags.

Tracks skill and tradeskill costs and progressions, as well as trainer locations.

Tells you the Tiller, what food they like, and if you have fed them today for the quests A Dish for ...

LDB data source for Combat Tracking

Simple language selection for Data Broker

A UI for searching the guild roster.

A volume control for Data Broker.

SysMon plugin for any DataBroker display.

Broker plugin to display player orientation

Simple display and management of Away / AFK / Busy / DND status via broker or minimap

Inventory and bank organizer.

Gives detailed descriptions of particular localities, as zones or instances, and provides optional TomTom integration.

Shows activity for hidden ChatFrames by making their tabs flash.

Friends & Guild Data Broker plugin.

Highly-configurable shield / absorb tracker.

Provides a quick display for the LFG Call to Arms

LDB data source for herb, ore and skinning node data