microblog.pub

 microblog.pub  is self-hostable, single-user, IndieWeb friendly microblogging open source software that supports many IndieWeb building blocks such as IndieAuth, microformats2, Micropub, Webmention, and also ActivityPub.

If you are looking for the easy-to-setup posting service, also with lots of IndieWeb support, see:
 * micro.blog

Features
Main documentation:
 * https://docs.microblog.pub/

Source code:
 * https://sr.ht/~tsileo/microblog.pub/.

Ashton McAllan
Is using microblog.pub on her main site at https://acegiak.net/. "If youre playing around with Mastodon, you can actually add me at @ash@acegiak.net ! Ive switched my personal website over to use microblogpub (my fork is here: https://github.com/acegiak/microblog.pub ) which is fully compatible with Mastodon and the fediverse as well as other indieweb projects! —@acegiak https://twitter.com/_/status/1520764764888125444"

Thejesh GN
https://thejeshgn.com/ at:
 * https://social.thej.in/