FreeSoftware Ganoo

Paying for a Nextcloud provider would likely solve most of your issues. You can run a lot of services within nextcloud itself using addons.

For video streaming I use kodi+seren+real-debrid. This doesn’t provide local copies, but I don’t really need any. It’s not hard to set up.

edit: https://github.com/nextcloud/providers#providers

Lemmy.ca and sh.itjust.works

Programming. I understand it as a concept, but have no ability to sit down and write code.