You can use the Nextcloud app with the much simpler KaraDAV backend. Works fine for photo backups.

If I get it correctly then that deleted post is only visible to you in case you want to undelete it.

https://gush.social/

But it’s early days. And of course Bookwyrm.

It’s a bit confusing at first that it comes with a read only web-interface, but once you got a Mastodon app or an frontend like Phanpy set up with it, it works quite well.

Since they run their site through Clownflare, it looks like they are hosted in the US, but their server is actually in Finland (at least as far as I know, might have changed recently).