I second the approach of using text files and syncthing. Using a markdown editor on my phone and computers means I've always got access to view, edit and creat

I second the approach of using text files and syncthing. Using a markdown editor on my phone and computers means I've always got access to view, edit and create new ones, even offline, that all sync up when I'm back online. It works great and I'm not giving my data to anyone else.