Build to bypass: Psiphon technology was designed to bypass filtering at any level (ISP, institutions, international gateway, etc.) and censorship.Way more advanced and versatile than VPNs, it has been designed for people who genuinely face censorship issues and want to strengthen their online anonymity. Psiphon is a free and open-source Internet censorship circumvention tool launched in 2008 that features a combination of secure communication and obfuscation technologies.