WowAce

Automatically sell junk, restock reagents and repair

QuoteNoMore

Blocks all whispers except from people in your guild and friends list.

Broker_Tracking

Show coordinates on minimap

A simple, standalone Resurrection Monitor

Show a relative threat bar.

Bug fix for the Blizzard calendar -- prevents unexpected window closure while editing events

Steroids

ConfigMode support for various addons.

How much of your life have you spent ingame?

Show helper indicators for units conditions (buffs, states, etc).

Durability Data Broker plugin.

A library to manage snappy dragging & sticking of frames across multiple mods.

Grid2 LibDataBroker support

FuBar - CAFu

With Mists of Pandaria Blizzard publish all characters from an account unless you disable that 'feature'. This addon warns you.

ArenaHistory

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

Changes the quest log back to how it was before Patch 6.0.