WowAce

FriendlyArrow

Keeps an eye on someone's distance from you, and alerts you if they get too far.

Modifies all action buttons to selfcast on right click

Pick Pocket Countdown Timer for Rogues.

Bang!_Libram_Swap

Tacticial pet battle information so you can be a Pokemon master

Make the unit frame fade if out of range.

Mission UI tweaks

FuBar_InviteFu

Changes several of the popup dialogs to not close when hitting the Escape key.

LibDebugLog-1.0

A lib to manage action bar and timers

School

GUI framework for the "Visor2" frame-modification AddOn (originally written by Tain, Rowne, Eraphine and Stylpe, the original...

SimpleBar

Notifies you when you get aggro.

Reputation Statistics - Gained, Needed, Rep/Hr, Session Time, etc.

Raid Inviter

FuBar_NetWorthFu

TEALib