WowAce

Aloft

Provides access to all Portal and Teleport spells on right click of one button.

Unit Frames of awesomeness. Woof. It'll bite your face off.

A blizzard group finder replacement

Timers for Buffs, DOTs, CC effects, etc..

Checks Raid Buffs/Flasks/Consumables. Tunable alerts for misdirects, taunts, cc breakage, rez, dispel and interrupt

One large inventory.

Assessment

Archaeology Assistant

Display auras on action buttons.

Sells all junk in your inventory at once.

Calculates and shows your TankPoints in the PaperDall Frame.

Marks the locations of Hallow's End candy buckets on the worldmap and minimap.

Bayi's Extended Questlog

XP bar using Ace3.

Display Cooldown Count of Spell Icon and Item

Numerical and graphical display of Combo Points and similar buffs/debuffs. Also tracks Holy Power and Soul Shards.

Provides one or many informational windows with optional interactive widgets.

Prat

Show buffs on nameplates.