WowAce

Quickly builds /target macros for immediate use.

Show a rough range indicator

Monitors the combatlog identifying players from the oposite faction near you.

Adds usable and equipable filters to Baggins

Spy on your guild.

Uses TomTom to show target location if target is in party or raid.

Show a bar indicating the unit's Soul Shard count.

Sets you to DND when you fight a boss, and some other crap.

Destruction Warlock priority module for clcInfo -- Maighurl

Notifies you of new calendar event invites and reminds of upcoming events on all characters and realms

Adds 3 indicators to each side (top, bottom, left and right).

A data broker plugin showing your longest fight and your current fight time.

Selectively loots your fishing catches.

Collects and displays census information. This AddOn is licenced under the GNU GPL, see GPL.txt for details.

Shows more recipies in the profession window.

CatPoints

Displays how much total honor you have from all sources.

Marks the Balcony adds in the Horridon encounter

CompostLib

LibAvion-2.0