TunnelBear - Really simple VPN to browse the web privately & anonymously.
OpenDNS - OpenDNS provides faster and safer Internet access for your home or Business.
Mullvad - Mullvad is a Swedish virtual private network (VPN) provider.
1.1.1.1 - The free app that makes your Internet safer.
OpenVPN - OpenVPN - The Open Source VPN
Quad9 - Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.