Tiddlywiki on anything which can serve a single html file. It's not just a blog, but it does that quite well. It's platform agnostic and incredibly flexible. I

Tiddlywiki on anything which can serve a single html file. It's not just a blog, but it does that quite well. It's platform agnostic and incredibly flexible. I use Resilio Sync and Lighttpd. I edit from any of my devices, and it's online within a minute.