WowAce

Spy on your guild.

Allows custom-triggered boss mod timers to be created

Kenzo is a skin for Masque

Overlays Archaology digsite icons on the flightmap

Cartographer_Data

A FuBar plugin for MagicMarker

Plays amusing sounds whenever you skin a mob

Allows frames to be dragged around, without permanently changing their position.

Meeuuuh

AvionComicMedia

Easy Button for casting MD/ES/ToT etc on tanks.

Displays a variety of useful stats for tanking

New/Old BG indicator, Join by ID, Quick Leave Queue, etc.

Ghost: Pulse

Makes the Blizzard options frame movable and resizable

Depot

Shows a money overview for your current realm in the tooltip on the money in your bags

A lightweight datatext-plugin for Elvui that shows you all the relavant currencies for Legion.

Small Box Icon Pack for Cartographer

A filter tool for blizzards TradeSkillUI