NordVPN - NordVPN offers VPN technology that encrypts data twice.
OpenVPN - OpenVPN - The Open Source VPN
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.
LiquidVPN - LiquidVPN creates an encrypted tunnel between the device and the servers via a secure Virtual Private Network.
Hotspot Shield - Hotspot Shield is a software application developed by AnchorFree, Inc.