WowAce

Resizes Blizzard raid frames, and adds additional options.

Replacement for the default nameplates.

LibRockComm-1.0

A Latency Data Broker plugin.

A simple addon that warns you if your pet isn't attacking while you're in combat.

WhiteboardNG

Add item levels to Inventorian

Enhances the Equipment Manager to let you control the helm/cloak visibility for each set.

ChatAssist2

XML import library

For Developers (of Addons which uses LibWho-2.0): show queues and queries in realtime

eePanels2

FuBar_GCInFu

A boss encounter engine used by other add-ons

iTargetingFrames

Simple Bars for your Shaman's weapon buffs and shield spells.

This is an add-on to block incoming guild/party/duel requests (except for friends/party/guild) (previously ASSBlock)

pMutilate

Database of your death locations for HandyNotes

Enhances the StackSplitFrame with numbered Buttons, a '1-Click Mode' and a 'Auto Split Mode'.