WowAce

Adds a highlight border to items in your MogIt Wishlist, making them easier to see.

Loudmouth

Automatically leaves the global channels when inside an instance/raid and restores them when exited.

Adds your damage to Scrolling Combat Text

InfiniBar-2.0

Shows Status Bars that you can drag around and group up for your cooldowns

Displays Pet Info for Hunters and Warlocks. Also keeps track of Stables and Pet and Demon skills.

Antagonist

Reno is a slash-command that can patch predefined options in a macro to change which abilities will be chosen.

Incoming Heals

Personal buff monitor - are you buff enough?

Automatic Refilling of User Defined Items

Tracks the precise arrival & departure schedules of boats and Zeppelins around Azeroth and displays them on the Mini-Map and ...

Questing minion

Regain that wasted space!

A data broker display, that shows one block per plugin.

Sphere

Toggles WoW to the forground on events.

Incubator

Allows tradeskill usage by clicking items or reagents.