WowAce

Alternate Power- and Combopoint/SoulShard/HolyPower-bar

A UI for searching the guild roster.

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

In-game EPGP guild helper, supports standby, main/alt shared pools, minEP, offpecGP. Fixed price list with progress multiplier.

A Collection of Automations and Interface Tweaks.

A replacement tradeskill window

Switch macro depending on zones or BigWigs boss modules.

Dropdown library for Ace3 options, extensible to other options formats. Works ok.

OneCore is the centralized code shared between the OneBag Suite

Simple right click casting.

Sorts the Wardrobe

StarTip (Tooltips from Outerspace)

Keeps track of performance of memory, latency, and framerate.

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

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

Smart raid loot and DKP tracker with automated standby and learning

Add-on that allows you to setup and quickly switch between different profiles of your action bars

Load manager for AddOns

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

HUD that you can tweak the way you want.