WowAce

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

Makes those pesky garrison animations go away.

BossWhisperer

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

Makes grid QuickHealth aware

Expiration

Displays oRA3 main tanks.

LDB data source displaying character stats

Library providing mappings between trade skill recipes, spells and created items

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

Automatically sells low quality gray items to the vendor.

Simple and rich Death Knight rune customizations

Configure which layout or profile to load on entering a zone

LibGUIFactory-1.0

LDB display for Oak Interrupts Broker

LDB data feed plugin designed to display various statistics derived from the Recount addon.

FuBar_WintergraspFu

Raid Warning filering module for TweakHub.

SalvationKiller

Audible Alerts for self-gain, self-lost, any-gain, all-lost of statuses.