WowAce

Bind spells, items, and macros to keys, without using action buttons

A library to provide information about zones and instances.

Teleporters in Suramar? Sure, why not?

Displays online friends.

Raid Frames using the oUF framework.

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

Reduces interface tedium by doing the little things for you.

Alternate Power- and Combopoint/SoulShard/HolyPower-bar

Food/water macro generator

A replacement tradeskill window for Classic

PT3Browser

Improved Questing Experience

A Collection of Automations and Interface Tweaks.

MendWatch

A library to help with localization of item types and subtypes.

A Friend-Enemy-Unit-Frame for battlegrounds.

Tracks, transmits and displays the cooldowns of your raid.

Shows you a much bigger icon selection frame

Display Garrison missons for all Characters

A replacement tradeskill window