WowAce

Ironi's Encounter Event Tracker

BigWigs_Countdown_HeroesOfTheStorm

Enables AceGUI-3.0 widgets for the 5 basic SharedMedia-3.0 types

Tracks Raid/Instance/World Boss lockouts for all your characters, daily/weekly quests, currencies, trade cooldowns, and more!

"Debug" code free since '93!

Modular casting bar.

Handy notes for your maps

Bulk mail sending made really easy

Simple and Advanced combined - Bartender4 ActionBar AddOn

An intuitive keybindings library.

AddOn development framework

Kiwi Plates

A lightweight, flexible, multi-target threat meter.

Shows the spec of people around you in the tooltip.

Another HUD addon

Displays information about the current zone on the World Map

Reno is a slash-command that can patch predefined options in a macro to change which abilities will be chosen.

Mutt (Macro Update Target Tool) provides slash-commands that can patch the predefined targets in your macros.

Shows the minimum durability of equipped items on the stats frame.

Libary for cleanly inspecting other players