Tunnelblick - free software for OpenVPN on OS X and macOS
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
Jailbreak VPN - Jailbreak VPN is among those few VPN service providers whose VPN connections are fully structured.
WireGuard - Fast, Modern, Secure VPN Tunnel
AMUNE Private Internet - AMUNE Private Internet is an internet on-demand private internet offering services letting people search on the internet on their terms.