WowAce

ClosetGnome_Mount

Provides a LibDataBroker plugin for quick access to professions under Ackis Recipe List.

Helps you decide which ability to use next according to priority you set

Tells you who bought your auctions.

EUF is an enhance of wow original unit frames, provides hp with both value and %, and optional 3D portrait. Simple and Useful.

mHud_Threat

Battleground Timers in a HUD around the Blizzard BG status

Draws some lovely 3D portraits in the standard Blizzard artwork.

MobHealth

Crowd-control monitor

Shows learned recipes of all characters.

lugMD

Embeddable chat throttling library with traffic shaping and priorities

DynRepBar

Shows a nice Soulstone Monitor.

EasyDKP

nRaidTracker

Open those clams (and other containers)

Adds on-screen buttons for the farming tools and seeds.

Adds a couple of graph displays to Skada.