WowAce

Angry Raid Points

Barks at you when you target a crowd-controlled unit

Open all your mail

A bin for all your LibDataBroker buttons

Creates simple table controls for tabular text data.

Shows ZoneInfo on the World Map in a perfectly cromulent fashion.

Says random things in chat when casting any spell or ability. Type "/ss help" for the user's manual.

Shows skills in a tooltip and allow them to be used. Also keeps track of Cooldowns.

Database of Trainer locations for HandyNotes

Display Garrison missons for all Characters

Inspects all members of raid and saves in database, as well as lists people's dkp values

Show all the orbs for triggering Kosumoth

Reduces interface tedium by doing the little things for you.

A library to provide information about zones and instances.

Keeps track of your current location.

PvE Status Frames

provides enchanters with a decent tool for managing their profession

Incubator

Makes a sound when your focus starts casting. Use with [target=focus] macros for interrupts (Counterspell, Spell Lock, Wind ...

Compact & customizable filtering, monitoring and grouping of buffs and debuffs