WowAce

Better quest log and tracker

Separate indicator for your HoTs with timer.

VitalWatch

Allows for easy congratulating when someone earns an achievement.

ItemPriceTooltip

XArt

Tracks the precise arrival & departure schedules of boats and Zeppelins around Azeroth and displays them on the Mini-Map and ...

A collection of useful (guild management) tools and utilities for smarter than average bears.

Constructs a SimC export string for an item without equipping it

FuBar_FarmerFu

Alternate Rune Display

Hides MicroButton Alerts

A filter tool for blizzards TradeSkillUI

TabletLib

Adds a button to your character and inspect window that shows a summary of gear enchants and gems.

FuBar_uFriends

Smooth group roll frames

Mapster's Minimap brother

Provides shareable notes and other information for your guild, party and raid community.

Announces interrupts in the chat