- [WireGuard](https://www.wireguard.com/) - Very fast VPN based on elliptic curve and public key crypto. ([Source Code](https://www.wireguard.com/repositories/)) `GPL-2.0``C`
- [DefGuard](https://defguard.net/) - True enterprise WireGuard with MFA/2FA and SSO. ([Source Code](https://github.com/DefGuard)) `License is Apache2` `Rust`
- [DefGuard](https://defguard.net/) - True enterprise WireGuard with MFA/2FA and SSO. ([Source Code](https://github.com/DefGuard)) `Apache-2.0` `Rust`