WowAce

Add-on that shows which battle pets can be farmed this week

WhisperBid

Eliminates the spam from the chatframe and sums it up in a broker plugin.

FuriousTask

This addon helps us track Renewing Mist and Uplift for Mistweavers.

Shows guild and system message of the day only if either one of them has changed since the last login.

Color manipulation library.

Shows a money overview for your current realm in the tooltip on the money in your bags

TalentWhisper

Tool for easy task assignments in raids.

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

BigWigs_HealbotAssist

A Healing Assignment management addon

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

Denial2

Paparazzi

Hunter pet manager for any DataBroker(LDB) display.

Shows more recipies in the profession window.

Broker2FuBar

SalvationKiller