LogMeIn Hamachi, OpenVPN, Tunnelblick, Tailscale, ZeroTier, Radmin VPN, WireGuard, SoftEther VPN, Viscosity, Outline VPN, VPN Tracker, NetBird, OpenVPN MI GUI, Haguichi, Rockhopper VPN, fruho, Shimo, Shark VPN, Headscale, OmniEdge, NetOverNet, Wippien NWRK, OpenVPN Manager, NeoRouter, tunXten, Tinc VPN, devP2P, VPNtesting are some alternatives to Firezone.