WowAce

Uses linear regression and a log of hitpoint values to estimate how long a boss has left to die and reach execute range.

GuildBankMover

Relays item drops to your guild chat.

Grid status module that shows the remaining value of any effect tracked by AbsorbsMonitor

Unsolicited

Displays your soulshards in better way.

BiSList allows you to configure your BiS items list, and keep track of how far you are from them

Shows the source of an item as a tooltip

RollWatcher

Changes several of the popup dialogs to not close when hitting the Escape key.

QuestLongList

Adds Auctioneer "bought for" filters to Baggins ("disenchant", "vendor", etc)

Broker_CalendarEvents

Add SyLevel item level display support to Bagnon.

Displays a table for possible outcomes of incoming hits with their probability

Suicide Kings Addon

Addon to manage WoW titles.

FuBar_IceHudFu

AFK popup reminder and timer

Managing and viewing loot-type rolls