WowAce

Shows the possible loot from the bosses

Wowhead Data dump for GatherMate2

Provides one or many frames for dumping text into.

"Debug" code free since '93!

A library to help with localization of in-game item sets.

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

Library of compressed itemid sets.

A library to help with localization of bosses.

A library to help with localization of the output of UnitCreatureType.

Allows you to view all items from all your characters on the same account, when-ever and where-ever you want.

Tracks rare drops, including companions and mounts

Modular damage meter.

Adds countdown voices from the heroes in Overwatch to BigWigs.

A library to help with localization of factions.

A library to help with localization of races.

Library of data about what items tier tokens can be turned in for

A friendly companion that remembers the chat.

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

Caith skin for Masque.

In-game theorycraft. Calculates actual damage/healing based on gear, talents and buffs.