Psiphon inc develops and operates cutting-edge solutions for online content delivery. Our clients include the British Broadcasting Corporation, Voice of America, Radio Free Asia, and Radio Farda as well as dozens of online newspapers journals and civil society groups worldwide.  Our  award-winning lightweight  architecture offers  instant access to rich multimedia content without sacrificing user experience. Just click and surf.

Find out if Psiphon is right for you.

Find out what motivates us,  and why Psiphon is open source software.

Contact Psiphon at  info@psiphon.ca

Psiphon3 featured on CNN

2011.11.22 – Psiphon’s role in supporting internet access in Syria was reported on CNN today.

Rafal Rohozinski, CEO of SecDev and Psiphon stated, “What we’re doing is not much different to what the airwaves provided during the Cold War to provide those citizens living behind the Iron Curtain with an ability to get information which otherwise they were not getting from their state … Whereas shortwave radio during the Cold War was very unidirectional … with the Internet these technologies are by definition bidirectional, meaning that it gives an opportunity for citizens within these states to also communicate amongst themselves and with the outside world.”

Psiphon3 is our next generation secure tunnel providing robust and resilient connectivity in censored environments. It based on open source code, and grew out of our PsiphonX pilot project.  You can find a design paper and the source code at the following location:

https://bitbucket.org/psiphon/psiphon-circumvention-system

Both Psiphon 2 and Psiphon 3 have been selected by  leading international broadcasters as their delivery platform of choice.

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2011.11.19 – Psiphon inc is developing a new version of the home server, which will be released under an GNU open source license in  2012. The new version is a successor to the discontinued version 1.6 . The new  code will be designed for  a deployment on  a dedicated hardware device and developers will be able to build and extend the platform to fit specific requirements.

Psiphon inc will launch Psiphon 4.X ( aka Swarm) as a managed consumer-level service in 2012 making it easy for friends and families to create private content delivery networks.

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2010.09.18 – Psiphon inc has retired Psiphon version 1.6. This version of the software was originally released by the Citizen Lab in 2006 and allowed home users to set up their own Psiphon servers and provide content delivery services to friends and families in countries that practice Internet censorship.

Version 1.6 will remain available as open source code via LaunchPad for those developers that wish to continue to extend the platform.

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