WowAce

Makes the message dialog movable

Buff reminders and more

Tooltip of socials button will now show which friends are online

Adds 3 indicators to each side (top, bottom, left and right).

FuBar_OutfitterFu

Shows skills in a tooltip and allows them to be used.

PerfectTargets

Clean looking square minimap with many options.

Simple and clean Death Knight displays

Keeps track of healing spells cast by everyone in a group.

Cartographer_Mining

Whats

Track any items you want in a tooltip

Color manipulation library.

A tool to appraise, estimate, or judge your equipment against the equipment of others.

Watch tooltip updates to announce when you find specific objects

FuBar_FuzzyClockFu

Adds Name and Buyout Price sort columns to the auction house.

Rewrite myBindings. An enhanced key bindings interface.

Makes tracking reputation much simpler. By InSo(v)nIaX