OpenVPN - OpenVPN - The Open Source VPN
Cloak VPN - Stay safe online when using untrusted networks
ProtonVPN - ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
Mozilla VPN - A VPN from the trusted pioneer in internet privacy.
Shadowsocks - A fast tunnel proxy that helps you bypass firewalls
VPN Report - I test VPNs using my credit card so you don't have to