WowAce

UIFrameFlash to Animation conversion library for Floating Chat Frame functions.

HereBeDragons is a data API for the World of Warcraft mapping system

Grabs bugs for the bug sack.

A powerful, comprehensive utilty for displaying graphics and information based on buffs, debuffs, and other triggers.

Handy notes for your maps

Simple and Advanced combined - Bartender4 ActionBar AddOn

Library providing multi-column tooltips.

Chat addon, filtering messages and UI changes

Scan for rare mobs so you can find them and their loot

Collects Herbs, Mines, Gas Clouds, Archaeology, Treasure and Fishing locations and adds them to the worldmap and minimap

Give whispers an instant messenger feel.

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

Wowhead Data dump for GatherMate2

Officially the original source for where things are in the Broken Isles, in HandyNotes

Modular casting bar.

Simple Map Mod

Postal: Enhanced Mailbox support

Replacement for ActionButton_Show/HideOverlayGlow APIs

Creates and manages secure Action Buttons

Tracks rare drops, including companions and mounts