Blogging with @writefreely is Distraction-Free Writing and it feels very good.
The only thing that makes me uneasy is the fact that it is developed by a company.
But for now it is APGL
https://github.com/writeas/writefreely/blob/develop/LICENSE
But alas, mongodb was APGL, too.
https://www.scylladb.com/2018/10/22/the-dark-side-of-mongodbs-new-license/