WowAce

GraphLib

Welfare Epics

Durability Data Broker plugin.

View all your Auctions on any DataBroker display.

Quickly builds /target macros for immediate use.

Lute

Shows missing buffs and handles welfare and deluxe buffs as one (motw/gotw, blessings, etc.). This lets you see when you nee...

Add in keybindings to place raid marks on mouseover, or the target if there is no unit being moused over

Allows you to loot BoP items without prompting when not in a group or raid

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

Resizes Blizzard raid frames, and adds additional options.

A lib to manage action bar and timers

AutoFIR

Needja Tracker

Shows a countdown bar for the duration of auras (e.g. HoTs, DoTs)

Database of your death locations for HandyNotes

Objective Tracker

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

Persists collapsed state of headers across wow sessions.

Adds Friend and Guild options to the context menu of player units.