BtWQuests

This is a very useful addon – especially if you have multiple alts.
BtWQuests
A quest journal that shows your progress within quest chains in a simple and easy to follow manner, showing not only your current quest but also all the future quests in the line, how they all connect and other quest lines they lead to or require.
From Curseforge
https://www.curseforge.com/wow/addons/btw-quests