WowAce

See all incoming casts on your target. Also includes resurrection monitor. Uses libhealcomm-3.0 and librescomm-1.0

Remaining and rested XP Data Broker plugin.

Adanced Achievement Tracker is a smal tool to track Achievements

Adds an additional spell alert if you have more than one charge of a buff that is normally tracked by the in game spell alert...

Inventory Management

Makes the message dialog movable

Allows raid leaders to view information on raid or guild member equipment information

FuBar_KCIFu

CVarEditor

RC4Lib

Envenomous

Reports in the Default Chat Frame how many people does not have Well Fed effect, and who are they

LDB display of the players current damage percent modifier

Buff and debuff timers with bars or icons.

Aggro Warning System for Parties and Raids.

Show who is targeted by at least one enemy, and the casting progress of the incoming spell.

FuBar_WarriorAlertFu

Enigma

Shows the spec of people around you in the tooltip.

Automatically restock items from vendors and your bank