WowAce

Loudmouth

Makes the message dialog movable

Heal and decurse by clicking on customizable raid/party unit frames

Stores a browsable database of spells that mobs cast

Add-on that shows which battle pets can be farmed this week

The One-Key-Mount™ — Simple to use, configured with Rock

Keeps track of space left in your bags.

Keeps track of your reagents for buffing.

Display the global cooldown around your cursor. (+ other stuff)

Manages tracking of raid attendance, loot, and more.

Alternate Rune Display

Reforges stuff

Gives a score for your kit allowing easy comparison with others, also colour codes kit based on appropriateness for your level.

Uses linear regression and a log of hitpoint values to estimate how long a boss has left to die and reach execute range.

A small checklist for raid (de)buffs and who brings what.

Shows your standings with the factions.

FuBar_ModMenuTuFu

Adds on-screen buttons for the farming tools and seeds.

Shows the health of the player's current bodyguard.

Visual loot monitor