Proton VPN is good and has a good free plan, but os doesn’t matter when choosing a VPN

Antennapod is good

when did you get this, have a roku tv box and haven’t got this yet

The closest is nextcloud collectives, tables, tasks and deck

I personally like Nextcloud notes for quick notes and nextcloud collectives for detailed stuff e.g revision. With nextcloud tables and deck it makes a great notion replacement