WowAce

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

Control screenshot format and quality via FuBar

Light-weight enhanced casting bars

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

Simple money display for LDB

TalentWhisper

A noble spirit embiggens the smallest player arrow.

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

A shaman mod

Records mail when visiting the mailbox to make keeping track of mail and expiration dates easy.

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

BossWhisperer

A library that tells wether a item is a quest item or not (equipped or in bags)

MAcon

Helps with interrupt notifications and announcements.

A raid buff tracker

Makes the Blizzard options frame movable and resizable

Modifies the inbox into a scrollable inbox, including open all options

FuBar_DPS

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