WowAce

Keeps track of HoTs, DoTs, Buffs and Cooldowns. With audio and text alerts to refresh them.

Alternate Power- and Combopoint/SoulShard/HolyPower-bar

FlexBar2

A library to provide a markup syntax

Raid Frames using the oUF framework.

Cartographer_Treasure

Enhances the default AddOns list.

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

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

GrindStatus

Shows simple Buttons for your Cooldowns :)

Adds countdown voices from Heroes of the Storm to BigWigs for all supported locales.

Provides access to all Portal and Teleport spells on right click of one button.

Regain that wasted space!

Manufac

Modular and lightweight party/raid frames.

Bulk mail reception made really easy

A library to provide unit-oriented tags to LibDogTag-3.0

XRS

Redirect character errors, system messages and information messages.