What are some alternatives?
When comparing NordVPN and ProtonVPN, you can also consider the following products
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.
OpenVPN - OpenVPN - The Open Source VPN
ExpressVPN - ExpressVPN is the worlds fastest VPN service.
Psiphon.ca - Psiphon is circumvention software for Windows and Mobile platforms that provides uncensored access to Internet content. Read more about Psiphon.
TunnelBear - Really simple VPN to browse the web privately & anonymously.
Tor Browser - Tor is free software for enabling anonymous communication.