User interface

Rotation helper framework.

Give whispers an instant messenger feel.

Scan for rare mobs so you can find them and their loot

Interface for running a Loot Council

Improved Garrison Missions UI and follower group suggestions.

A main action bar replacement

Chat addon, filtering messages and UI changes

An addon that generates a Simulationcraft profile for your character

Increases the debuff size of crowd control effects on the Blizzard raid frames

Wowhead Data dump for GatherMate2

Tracks rare drops, including companions and mounts

Postal: Enhanced Mailbox support

Nameplates you can actually configure — colour by threat, cast bars that read at a glance, and scripting for anything else.

Mythic+ scores, raid progress and recruitment status in the tooltip when you hover anyone.