Does IOTA really have a Documentation?
Great IOTA tutorial playlist
https://www.youtube.com/playlist?list=PLmL13yqb6OxdIf6CQMHf7hUcDZBbxHyza

IOTA tools from the playlist
https://www.mobilefish.com/services/cryptocurrency/cryptocurrency.php

IOTA and NodeJS tutorial
https://youtu.be/Z-NN0rRcwY0

Repository for above tutorial
https://github.com/iota-community/iota-workshop