WowAce

A modular, lightweight and screen-estate saving grid of party/raid unit frames

Arena unit frames

"Debug" code free since '93!

Another HUD addon

Dog-themed unit frames. Woof. Arf. Yip.

Replaces the normal unit, party, target, pet frames and adds target-of-target.

HideTalkingHead

A Friend-Enemy-Unit-Frame for battlegrounds.

Kiwi Plates

Threat reactive nameplates for TidyPlates.

Plugs classical world style fonts into LibSharedMedia-3.0

Aloft

An extension to the default WoW Unit Frames.

Unit Frames of awesomeness. Woof. It'll bite your face off.

Unit frame addon using Ace3.

Shows class colors on player nameplates and names

Adds a status to Grid for debuffs applied by Raid Bosses.

Adirelle's unit frames, based on haste's oUF.

HUD that you can tweak the way you want.

Proximo