WowAce

rSelfCast

FuBar_RecapFu

A library to help with localization of talent trees.

Adds your name to chat messages

Raid level alternative player power warning (Atramedes, Cho'gall, Lord Rhyolith)

Add-on that shows which mounts can be farmed this week

Sniff

A frame designed for each specialization of druid's watching their main power and important buffs/debuffs

Auto sizes frame layout depending on group/raid size or predefined zone data

AnchorsAway

Keeps track of your reagents for buffing.

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

Uses guild notes to add alts' main names to chat windows and other places

SinkLib

FuBar_KTMFu

xchar

Calculates optimal reforging for given weights/caps.

Capital Cities NPC Browser

XP and Reputation bars

Visual loot monitor