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

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

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

HideTalkingHead

Kiwi Plates

A Friend-Enemy-Unit-Frame for battlegrounds.

Threat reactive nameplates for TidyPlates.

Unit frame addon using Ace3.

Aloft

An extension to the default WoW Unit Frames.

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

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

Plugs classical world style fonts into LibSharedMedia-3.0

Shows class colors on player nameplates and names

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

HUD that you can tweak the way you want.

Proximo