Means to privately connect to my home server other than Tailscale?

Wireguard is blocked in my country, so I no longer can use Tailscale or other Wireguard-based solutions. My home server is behind a NAT. What other ways of secure private connection can I use?

Zerotier. They have their own protocol, and there’s a free tier that lets you connect up to ten machines to make a network.

Also possible to selfhost, although I haven’t done it.