WowAce

Displays an alert whenever you loot an item for the first time.

Allows you to prevent addons from sending and receiving messages.

Allows the user to customize the the tooltip with lua-scripts

Niagara

mHud

Angry Boss Reminders helps raiders switch to the proper talents, glyphs, and gear for each boss during a raid.

adds navigation buttons to Encounter Journal

A popup menu containing user-programmable scripts.

Acolyte2

FuBar_SWStats2Fu

lern2count adds ABinfo castcounts to spell and actions. It has a builtin reagentcount too.

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

Battleground Timers in a HUD around the Blizzard BG status

Visual Raid Cooldown Tracking

TouristLib

Insanity resource tracker for shadow priests.

Tells you the Tiller, what food they like, and if you have fed them today for the quests A Dish for ...

Fixes strata bugs in UI windows

GoldenRun

Cartographer_nnTrainers