WowAce

Show a bar indicating the unit's Burning Embers count.

Destruction Warlock priority module for clcInfo -- Maighurl

Notifies the raid when someone is Dazed.

Avion2

"Range finder/display for Discipline's Holy Nova"

oUF Layout

Will try to keep track of what a character did last time it was logged in

BangItHarder

LFD status via a DataBroker display rather than the minimap.

Echos quest objective completion to your party

Experimental timer library that uses the Animation system as a scheduler.

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

Adds the "pixel perfect" font "Silkscreen" to LibSharedMedia

ReforgeSummary

LDB addon to manage your addons

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

Shows the duration of the most recent (or current) combat

Reports in raid chat whenever a raid member "fails." /EnsidiaFailsWotLK to configure.

BigWigs_RazuviousAssistant

Monitors the combatlog identifying players from the oposite faction near you.