FreeSoftware Ganoo

I have 443 open and don’t have any issues with endless captchas or anything you’ve mentioned.

I’ve been using fdroid basic for this

Google Messages

He wanted FOSS software. Bridging it to Matrix doesn’t make it FOSS imo.

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