WowAce

Tracks rare drops, including companions and mounts

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

"Debug" code free since '93!

Restores access to removed interface options in Legion

Angry Assignments

Adirelle's bag addon.

Give whispers an instant messenger feel.

A lightweight, flexible, multi-target threat meter.

Afflictions display and cleaning for solo, group and raid with advanced filtering and priority system.

Remember where rares were

Simple Map Mod

Where are the hidden treasures in Legion?

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

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

A framework for chat ehancement modules.

Test whether the player can really dispell a buff or debuff, given its talents.

Displays the locations of Summer Festival bonfires.

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

A library to help with localization of talent trees.

Toss those bugs inna sack.