WowAce

Helps to track outgoing mails

Allows movement and scaling of class-specific resource displays

Keeps track of gold and cash flow across multiple characters

Automatically sells low quality gray items to the vendor.

Mute error messages of N next spell cast.

IFrameManager

Allows communication to be shared across realm through Battle.net.

RainbowEnchants

Tank statistics Data Broker plugin.

Shows more recipies in the profession window.

Provides data about all artifacts in the player's possession.

ItemPrice-1.1

FuBar_jabberFu

Party Ability Bars

Capsule

GratuityLib

Automatically switches Profiles of addons when changing spec

Assistance for the Ra-den encounter. (Unstable Vita order, ball kill order)

Compact scrolling vendor frame

API for AceConfig-3.0