Greenhub is described as 'VPN is the best VPN browser extension for Chrome with fast connection speeds, comprehensive leak protection and protection of your online activities' and is a VPN Service in the Security & Privacy category. There are more than 100 alternatives to Greenhub for a variety of platforms, including Windows, Android, Mac, iPhone and iPad. The best alternative is Tor Browser, which is both free and Open Source. Other great apps like Greenhub are Tor (Free, Open Source), ProtonVPN (Freemium, Open Source), Speedtest by Ookla (Freemium) and Windscribe (Freemium, Open Source).
The Tor software protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: it prevents somebody watching your Internet connection from learning what sites you visit, it prevents the sites you visit from learning...
Tor is free software and an open network that helps you defend against traffic analysis, a form of network surveillance that threatens personal freedom and privacy, confidential business activities and relationships, and state security.
184.108.40.206 from CloudFlare is the fast and private way to browse the Internet. It is a public DNS resolver, but unlike most DNS resolvers, 220.127.116.11 is not selling user data to advertisers. The implementation of 18.104.22.168 makes it the fastest resolver out there.
GNUnet is a framework for secure peer-to-peer networking that does not use any centralized or otherwise trusted services. A first service implemented on top of the networking layer allows anonymous censorship-resistant file-sharing.