Riseup vpn is a free, donations based VPN, that doesn’t require an account and has no logs policey. They doesn’t have lots of serves like Protonvpn for example but they’re running for years and support P2P, so if someone is too short for paying for a VPN, I think its a pretty good for some use cases.
People don’t like this answer, but buying invites. Theyre cheap, but don’t know where to get them anymore. Be careful for scams.