GreenTunnel is a free and open source anti-censorship application for Windows, MacOS and Linux. Using this you can bypass the Deep Packet Inspection system of your Internet service provider and unblock the blocked websites on your system. It is released under MIT License. It come with Command-line interface and GUI support. It uses DNS over HTTPS and DNS over TLS to get real IP address and bypass DNS Spoofing. This method does not work every ISPs so test it first with your ISP. And it doesn’t encrypt traffic and doesn’t hide your IP address.