WowAce

Destruction Warlock priority module for clcInfo -- Maighurl

Reports in the Default Chat Frame how many people does not have Well Fed effect, and who are they

CatPoints

FuBar_WintergraspFu

Communicates with guild members for their positions on the world map

Combat Alert

Upcoming events.

Keeps track of people who have recently sent you messages.

KC_PlayerFramePlus

Rawrkitty

Monitors the combatlog identifying players from the oposite faction near you.

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

Adds a Friendly Fire mode and data collection to Skada.

Adds icons to the configuration menu for all standard Grid indicators.

Adds notes to item tooltips

Surfaces

Helps to track outgoing mails

Show a rough range indicator

Bag and item management utilities

Adds Buff/Debuff icons to the grid frame.