WowAce

Provides a library for accessing auction data and pricing from various Auction Data mods

clcInfo module for all Warlock classes

Adds trinket tags to SUF

Allows communication to be shared across realm through Battle.net.

RBM_Sunwell

Displays both Kalecgos and Sathrovarr the Corruptor hit points during the encounter.

PvP plugin for any DataBroker display.

agUF style oUF layout

Shows a countdown bar for the duration of auras (e.g. HoTs, DoTs)

Avion

Makes it very easy to collect rare battle pets.

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

FuBar_TraxieFu

Changes the nameplates range and disables clamping to screen

Skills plugin for any DataBroker display.

aX_RaidStatusConfig

A data broker plugin showing your longest fight and your current fight time.

xchar

Reports in the Default Chat Frame how many people does not have Well Fed effect, and who are they

A noble spirit embiggens the smallest player arrow.