

The codebase is developed and maintained by Psiphon, Inc., which operates systems and technologies designed to assist Internet users to securely bypass the content-filtering systems used by governments to impose censorship of the Internet. Psiphon is specifically designed to support users in countries considered to be "enemies of the Internet". Psiphon is a centrally managed and geographically diverse network of thousands of proxy servers, using a performance-oriented, single- and multi-hop architecture. Psiphon is a free and open-source Internet censorship circumvention tool that uses a combination of secure communication and obfuscation technologies ( VPN, SSH, and HTTP Proxy).
