WowAce

Aspect checker addon for Hunters.

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

Toggles WoW to the forground on events.

Add-on that shows in a unit tooltip window a number of killed mobs of the same kind

Role playing AddOn that shows extra information about characters as entered by the player.

First Aid data for Ackis Recipe List.

Search, filter and craft gems in the game!

Mutt (Macro Update Target Tool) provides slash-commands that can patch the predefined targets in your macros.

Better quest log and tracker

Easily mail friends, guild members, alts and others

Give logical progression of Mining, Herbalism & Skinning. Will not be updated with WoD zones

Tracks interrupts

Reduces interface tedium by doing the little things for you.

Set the clicking action for Grid buttons

SpyGnome

Keeps track of time played and rested XP across your characters.

Loudmouth

FuBar_FuXPFu

Searches bags/banks of all your characters/guilds.

Keeps track of resurrection spells cast in a group