WowAce

Color manipulation library.

Clean looking square minimap with many options.

Library supporting plug in filters.

Save and load macros.

Lets you drag UI frames around

MiniPet, Always keep your little companion with you, based on the work of Carra.

Gives equipped and overall iLvl to indicate the quality of a character's gear.

SmartyCatManaBar

Cartographer_Fishing

A library to try to guess a level of a player.

Combat log replacement

Keeps track of gold and cash flow across multiple characters

KivinConsoleXP

EQCompare

LittleTrouble

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

Utilities for pixel perfection, decimal to hex, parsing item strings

SkadaScroll is a plug-in for Skada Damage Meter that provides additional options for scrolling the bar displays. It requires ...

Allows you to prevent addons from sending and receiving messages.

A simple range indicator for optimizing Halo damage.