NordVPN - NordVPN offers VPN technology that encrypts data twice.
CactusVPN - CactusVPN is one of the best ways for surfing anonymously over the internet.
OpenVPN - OpenVPN - The Open Source VPN
Cloak VPN - Stay safe online when using untrusted networks
TunnelBear - Really simple VPN to browse the web privately & anonymously.
Spotflux - Spotflux is a free VPN that protects your privacy online for all your internet devices.