NordVPN - NordVPN offers VPN technology that encrypts data twice.
CactusVPN - CactusVPN is one of the best ways for surfing anonymously over the internet.
TunnelBear - Really simple VPN to browse the web privately & anonymously.
Cloak VPN - Stay safe online when using untrusted networks
OpenVPN - OpenVPN - The Open Source VPN
LiquidVPN - LiquidVPN creates an encrypted tunnel between the device and the servers via a secure Virtual Private Network.