WowAce

Skills plugin for any DataBroker display.

Plays amusing sounds whenever you skin a mob

Relays item drops to your guild chat.

An attempt at giving a complete overview of Arena battles

Artifact power bar support for oUF layouts

Reports in the Default Chat Frame how many people does not have Well Fed effect, and who are they

MouseLook

Spawns toasts for looted items, money, and currencies.

Raid cooldown assignments for healers

Adds Debuff Highlighting to oUF.

LDB addon to manage your addons

StatFrameLib

Reverse Engineering will drill down and search your tradeskills for their elements

Adds Blizzard, oRA2, oRA3, CT_RA MainTank or Dungeon Finder Tank icon (shield or MT, 1, 2 ... 10) or text (MT or MT1, MT2 ......

obRaidAssist

Party and Raid roster library - one library for any group

Simple search inspired by vBagnon

Replacement for WoW's flash/fade functions.

Never miss an Brain Freeze, Hot Streak or Missle Barrage proc

MeleeBuffs