WowAce

Calculates the relative value of attributes towards physical dps.

Keeps track of important de-/buffs in a splash screen

Holy Power, Shadow Orbs, Rogue Combo Points and Monk Chi.

Simple Bars for your Shaman's weapon buffs and shield spells.

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

Shows at-a-glance what raid buffs/debuffs you have.

UIThing

A FPS Data Broker plugin.

A variant of AceGUI's Frame container with an editable input field

oUF element for highlighting debuffs that are dispellable by the player

Adds 3 indicators to each side (top, bottom, left and right).

Broker launcher plugin for Recount

"Your quest log is full". How many quests do you have in your log?

FuBar_GemWatchFu

KivinSpamGuard

Suppress chat messages when specified items are looted

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

Action button layout and configuration

Artifact power bar support for oUF layouts

Status indicator that shows if a unit is hostile (probably mindcontrolled)