# VPN Tunnel

- [ZeroTier](/remote/vpn-tunnel/zerotier.md): ZeroTier is a software-defined networking (SDN) solution that creates secure virtual networks using encrypted P2P tunnels, without requiring public IP addresses.
- [Tailscale](/remote/vpn-tunnel/tailscale.md): Tailscale is a VPN solution that provides seamless connectivity between devices across different networks without the need for public IP addresses or complicated firewall rules.
- [Wireguard](/remote/vpn-tunnel/wireguard.md): WireGuard is a modern, high-performance VPN protocol that establishes secure point-to-point connections using advanced cryptography.