BitDefender TrafficLight - Bitdefender TrafficLight is a free add-on that provides a strong and non-intrusive layer of security to your web browsing experience.
ProtonVPN - ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
WOT Web of Trust - Check if a website is safe before you reach it via browser extensions, mobile app and API.
OpenVPN - OpenVPN - The Open Source VPN
URL Void - Free website reputation checker tool lets you scan a website with multiple website reputation/blacklist services to check if the website is safe and legit or malicious.
TunnelBear - Really simple VPN to browse the web privately & anonymously.