NordVPN - NordVPN offers VPN technology that encrypts data twice.
OpenVPN - OpenVPN - The Open Source VPN
Check Point Quantum Security Gateway - Quantum is the next-generation VPN security gateway that delivers the core security benefits of a firewall, next-generation IPS, antivirus, and Web-filtering without sacrificing performance.
Hotspot Shield - Hotspot Shield is a software application developed by AnchorFree, Inc.
TunnelBear - Really simple VPN to browse the web privately & anonymously.
AmanVPN - Aman is the secure, stable, high-speed free VPN software for smartphones, tablets, PCS - no matter where you are or what device you use, Aman VPN can meet your needs.