Re:Show HN: Real-time notes app built with Vue.js, inspired ...
by jscott313 on Wednesday May 24, 2017 @01:03PM
(#14411527)
Author's response to the Issue you linked:
"Also, will add the same text to the top of the README.md and the footer of the home page, along with a link to notational.net."
He hasn't done those things yet, which is probably why people are confused about it.
[0] https://github.com/tmm/notational/issues/2