WowAce

One large inventory.

Bulk mail sending made really easy

Raid Frames using the oUF framework.

A blizzard group finder replacement

Marks the locations of Midsummer Fire Festival bonfires on the worldmap and minimap.

Provides access to all Portal and Teleport spells on right click of one button.

A library to provide a markup syntax

Bayi's Extended Questlog

Create panels for customizing your UI, sucessor to eePanels

tracks and share quests between your party

mount and companion manager

XRS

Queing of /who and SendWho() queries and a much better interface (see docs), with gurantee to be executed & callback.

Adirelle's unit frames, based on haste's oUF.

Cleans up minimap buttons and makes them accessible through a pop out menu!

CandyBar style cooldown display

A Friend-Enemy-Unit-Frame for battlegrounds.

Bulk mail reception made really easy

Shows you the radius of your totems.

Max Camera