WowAce

Additional information about player spells.

Libra

LibItemInfo-1.0

Shared handling of alternate identity data between addons.

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

Provides data about all artifacts in the player's possession.

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

A simple slash-command-based addon for querying item information from the Blizzard servers via ItemIDs and SpellIDs.

AddOn development framework

Records Damage and Healing for Graph Based Display.

Displays additional information for Mythic Keystone dungeons

Handy notes for your maps

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

Simple and Advanced combined - Bartender4 ActionBar AddOn

Tracks rare drops, including companions and mounts

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

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

Tooltip scanning library.

Restores access to removed interface options in Legion

Angry Assignments