PaperBus is described as 'plug-and-play free proxy service that is fast and very easy to use. You can use paperbus to access blocked web sites and bypass internet filters and such' and is a VPN Service in the Security & Privacy category. There are more than 50 alternatives to PaperBus for a variety of platforms, including Windows, Android, Mac, iPhone and Linux. The best alternative is Tor Browser, which is both free and Open Source. Other great apps like PaperBus are Tor (Free, Open Source), Mullvad (Paid, Open Source), Psiphon (Freemium, Open Source) and Shadowsocks (Free, Open Source).
FreePN is the first completely free, completely open network dedicated to protecting your online privacy. Joining the network is easy: just download and install the app. No accounts, no registration, no setup. Once you start the app, you're already protected.
Journalists need safe access to information to research issues, communicate with sources, and report the news. Outline lets news organizations easily provide their network safer access to the open internet.
sshuttle: where transparent proxy meets VPN meets ssh sshuttle is the only program that solves the following common case: Your client machine (or router) is Linux, FreeBSD, or MacOS. You have access to a remote network via ssh.