WowAce

LibItemInfo-1.0

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

Additional information about player spells.

an embeddable library providing an abstraction layer for tracking and querying Blizzard's Nameplate frames with ease and effi...

Grabs bugs for the bug sack.

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

Records Damage and Healing for Graph Based Display.

Uses various methods to scan your surroundings for rare or specified NPCs.

Shows the possible loot from the bosses

Displays additional information for Mythic Keystone dungeons

Handy notes for your maps

Modular damage meter.

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

AddOn development framework

Simple and Advanced combined - Bartender4 ActionBar AddOn

Tracks rare drops, including companions and mounts

A framework for chat ehancement modules.

Library to check whether an item is equipable / appropriate for a given class

Angry Assignments

Where are the hidden treasures in Battle for Azeroth? Show in HandyNotes