WowAce

Adds a button to the quest completion interface which allows you to auto equips selected quest Item after completion

Displays a variety of useful stats for tanking

PiraPlex

Welfare Epics

Saves who searches in a favorites list.

A library to handle rearrangement of blizzard's frames when bars are added to the sides of the screen.

Notifies you of experience gains

Provides a LibDataBroker plugin for quick access to professions under Ackis Recipe List.

VisualThemes

Animated target indicator

Open those clams (and other containers)

FuBar_AlarmClockFu

LibDataBroker plugin showing some random XP related data

A Data Broker add-on for quickly switching your specialization with gear set and loot specialization.

Automatically sells low quality gray items and selected white items to the vendor.

Helps you automate selling stuff

Enables cooldown notification between players and allows party members access to each-others spell books.

vChat

Replacement for the default nameplates.

SmartyCat