WowAce

Where the Treasure Hunter objects are in Draenor

Where the Lost and Found objects are

Find five Ephemeral Crystals, get a pink hippogryph

Show all the leyline taps in Suramar

Show where the chests are for Withered Army Training

Improved Questing Experience

Show all the orbs for triggering Kosumoth

HideTalkingHead

Adds World Quests to the quest list

Bayi's Extended Questlog

Point to quest POIs on your minimap

Database of Trainer locations for HandyNotes

Quest History tracker and shows lists of quests in each category

Makes the message dialog movable

Track time played, rested XP and money for all characters

"Your quest log is full". How many quests do you have in your log?

QuestLog

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

Contains all addons I used to have rolled into one, with options.

Keeps track of quests.