Headscale is a self-hosted implementation of Tailscale's coordination server, designed to manage secure, private networks.

Simplify remote access with Firezone: a secure VPN server and firewall management tool built on WireGuard, perfect for enterprise needs.

OpenVPN is a high-performance, flexible VPN solution providing secure connections using SSL/TLS with a wide range of configurations.

Nebula is a scalable overlay networking tool that enables encrypted, secure communication across complex networks, designed for high performance.

StrongSwan is a powerful, flexible, and scalable IPsec-based VPN solution offering robust encryption and authentication for secure communications.

sshuttle: Transparent proxy server that forwards all your traffic over an SSH tunnel. Simplify secure, encrypted connections effortlessly.

SoftEther VPN is a powerful, cross-platform VPN software that offers high-performance, multi-protocol support, and easy setup for secure networking.