WowAce

Simple quest item bar.

AltClick an item in your bag to add it a mail, auction, or trade frame, and alt-click to buy a stack if reagents.

Display front-end for LibGuildPositions-1.0 using HandyNotes

Show where the chests are for Withered Army Training

FuBar_OutfitterFu

Combat log evolved.

StarVisuals displays various data visualizations

Cancellation

Announces Mage Spells in chat.

Quickly see what counter-combinations your epic followers cover and which ones are likely to get a new combination when rerol...

VersionChecker

A customizable view of friends and guildmates.

Show what quests have changed

aUF_RangeCheck

Auto roll greed, need, pass or manually roll on items.

FuBar_uGuild

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

Assister

DotDotDot

Desesperated announcing to clearly show the skillings of act inplay.