ProtonVPN - ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
OpenVPN - OpenVPN - The Open Source VPN
Windscribe - Windscribe is a desktop application and browser extension that work together to block ads and trackers, restore access to blocked content and help you safeguard your privacy online.
TunnelBear - Really simple VPN to browse the web privately & anonymously.
NordVPN - NordVPN offers VPN technology that encrypts data twice.
Psiphon.ca - Psiphon is circumvention software for Windows and Mobile platforms that provides uncensored access to Internet content. Read more about Psiphon.