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, Mac, Android, iPhone and iPad apps. The best PaperBus alternative is Mullvad. It's not free, so if you're looking for a free alternative, you could try Psiphon or Shadowsocks. Other great apps like PaperBus are IVPN, Hotspot Shield, Outline VPN and Yggdrasil.