WowAce

Redirect character errors, system messages and information messages.

Reports on a configurable dashboard or to group chat on consumables, buffs, AFK, mana and many many others but in an intellig...

Sells all junk in your inventory at once.

Bulk mail reception made really easy

Gears skins for Masque.

Aloft

Unit frame addon using Ace3.

The core module for RW

Simple and super light-weight tracking of profession links for all your alts.

Auto repair + shows durability.

Marks the locations of Midsummer Fire Festival bonfires on the worldmap and minimap.

Shows you a much bigger icon selection frame

Enhances the default AddOns list.

Track time played, rested XP and money for all characters

EBB adds groups of bars to your screen showing you which (de)buffs currently affect your toon or some other units.

Makes a sound when your focus starts casting. Use with [target=focus] macros for interrupts (Counterspell, Spell Lock, Wind ...

OneBag is a replacement for the default game bags that combines all the bags into one frame.

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

Prat

Show buffs on nameplates.