NordVPN - NordVPN offers VPN technology that encrypts data twice.
ProtonVPN - ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
LiquidVPN - LiquidVPN creates an encrypted tunnel between the device and the servers via a secure Virtual Private Network.
OpenVPN - OpenVPN - The Open Source VPN
FlyVPN - FlyVPN is listed among those few VPN service providers having hundreds of VPN servers in more than fifty countries of the world.
TunnelBear - Really simple VPN to browse the web privately & anonymously.