Microsoft Intune for Education - Simplify IT. Enhance every classroom.
ProtonVPN - ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
Educreations - Teach anything to anyone from anywhere.
OpenVPN - OpenVPN - The Open Source VPN
Tor Browser - Tor is free software for enabling anonymous communication.
TunnelBear - Really simple VPN to browse the web privately & anonymously.