WowAce

KC_PlayerFramePlus

Allows you to loot BoP items without prompting when not in a group or raid

agUF style oUF layout

Automatically sells low quality gray items to the vendor.

FuBar_FuzzyClockFu

Combat Alert

See all incoming casts on your target. Also includes resurrection monitor. Uses libhealcomm-3.0 and librescomm-1.0

ChatAssist2Options

Merchant, gossip and taxi tweaking module for TweakHub.

Restores channels and channel-window associations after disconnects remove them.

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

VendorSearch adds search features when buying items from any vendor

eeMon

DungeonCrawler

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

Skills plugin for any DataBroker display.

Allows custom-triggered boss mod timers to be created

Out of Mana bar.

A death track window for Recount

Raid target control and instance shortcuts for Broker