LogMeIn Hamachi, OpenVPN, GameRanger, ZeroTier, Radmin VPN, WireGuard, SoftEther VPN, PaladinVPN, Tunngle, P2PVPN, OmniEdge, DynVPN, NeoRouter, IPOP (IP-over-P2P), SocialVPN, Tinc VPN, VDE: Virtual Distributed Ethernet, Remobo, Comodo Unite are some alternatives to Wippien.