NordVPN - NordVPN offers VPN technology that encrypts data twice.
WireGuard - Fast, Modern, Secure VPN Tunnel
TunnelBear - Really simple VPN to browse the web privately & anonymously.
Pritunl - Pritunl is an open-source enterprise distributed OpenVPN and IPsec server.
OpenVPN - OpenVPN - The Open Source VPN
LiquidVPN - LiquidVPN creates an encrypted tunnel between the device and the servers via a secure Virtual Private Network.