WowAce

Toss those bugs inna sack.

Chat addon, filtering messages and UI changes

Tracks rare drops, including companions and mounts

Postal: Enhanced Mailbox support

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

A library for transmitting and receiving latency information of players.

A library for transmitting and receiving durability information of players in your group.

Give whispers an instant messenger feel.

Makes the default frames moveable via simple drag and drop

A modular, lightweight and screen-estate saving grid of party/raid unit frames

Library that handles chat output.

Myslot is for transferring settings between accounts. Feedback [email protected]

Simple AceGUI3 dropdown item classes for font/statusbar/sound/etc.

Keeps track of group members and keeps an up-to-date cache of their specialization and talents.

Restores access to removed interface options in Legion

Database of item upgrade IDs

Library providing multi-column tooltips.

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

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

The original source for where things are in Pandaria