WowAce

Target Debuff monitor. Stacking aware, giving current and potential debuff status.

An enhancement to the built-in raid frames to change color for debuffs.

Inventory and bank organizer.

Adds Vengance text to Pitbull4 LuaTexts

Adds a feature to Bazooka so that any icon/text changes are highlighted

manipulate the minimap in numerous ways; move, scale, skin.

Responds to DBM version checks, so that you don't have to.

Simple cloak/helm checkboxes in the Character frame

SimpleChatMods

Fully automated plague control for Putricide hard mode.

Keeps track of your current location.

Enables the setup of the Shaman "Call of" spells

Allows you to set up raid icon markings for all kinds of stuff.

AddOn development framework

agUF style oUF layout

Adds Debuff Highlighting to oUF.

Simple Bars for your Shaman's weapon buffs and shield spells.

Library to help with querying unit talents.

Heads Up Display with Player and Target Info

Adds combat feedback to oUF.