WowAce

Where the Lost and Found objects are

Improved Questing Experience

Where the Treasure Hunter objects are in Draenor

Find five Ephemeral Crystals, get a pink hippogryph

Show all the leyline taps in Suramar

Adds World Quests to the quest list

Show all the orbs for triggering Kosumoth

Objective Tracker

Show where the chests are for Withered Army Training

HideTalkingHead

Database of Trainer locations for HandyNotes

Quest History tracker and shows lists of quests in each category

Makes the message dialog movable

QuestLog

Point to quest POIs on your minimap

Bayi's Extended Questlog

Provides database of quest giving npcs/mobs/objects for display on the World Map/Minimap

Track time played, rested XP and money for all characters

Powerleveling guide framework

quick quest turnin and acceptance with a shared keybind