WowAce

Compact rune and proc display for Death Knights.

Teleporters in Suramar? Sure, why not?

Add-on that shows which mounts can be farmed this week

Questing minion

Unit Frames of awesomeness. Woof. It'll bite your face off.

AnyFont

Babble-2.2

XRS

Cleans up minimap buttons and makes them accessible through a pop out menu!

Find five Ephemeral Crystals, get a pink hippogryph

Displays the locations of the chests for the Treasure, Treasure Everywhere achievement

Wowhead Data dump for GatherMate

Keeps track of your top hits, heals, criticals, etc.

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

The core module for RW

AutoMagicly clicks though Daily Quests, and Turns them In.

Incoming Heals

Show buffs on nameplates.

Bayi's Extended Questlog

Track all threat redirection ability transfers and cooldowns (Misdirection and Tricks of the Trade).