JonDo is described as 'Free proxy software for accessing so-called JonDonym mix cascades. The JonDonym anonymous proxy technology is based on the principle of multiple (layered) encryption, distribution and processing (Mixing)' and is an app in the network & admin category. There are more than 100 alternatives to JonDo for a variety of platforms, including Windows, Android, Mac, iPhone and iPad apps. The best JonDo alternative is Tor Browser, which is both free and Open Source. Other great apps like JonDo are Tor, Proton VPN, Mullvad and Windscribe.