Free as in Freedom to Enjoy Single Sign-On Implemented using Free Software (CAS)

By Andrew Petro
September 24, 2011

I discovered today that the Free Software Foundation is using CAS server software to accomplish single sign-on amongst web applications available to FSF members and guests. This made my day.

screenshot of Free Software Foundation CAS login form

I am elated that a free software project I have touched could be providing value to an organization that has done so much to advance the free software movement and understanding of the essential freedoms protected by free software .

I'm proud to support the Free Software Foundation as associate member #5429, and pleased that beyond the support of my membership, the FSF may be benefiting by my work with the Jasig CAS single sign-on software.

FSF Associate Member badge 5429

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Andrew Petro

After graduating with a degree in Computer Science from Yale University in 2004, Andrew stayed on to serve his alma mater as a casual systems programmer with the Technology & Planning group. His interests include automated software testing, application frameworks, and electronic security. Projects in which Andrew has been involved include the Central Authentication Service, YaleInfo Portal (Yale's uPortal implementation), the Jasig uPortal project, and the Jasig CAS project. Andrew has previously served on the Jasig uPortal and CAS steering committees, has been the release engineer for uPortal, and has been published in the Communications of the Association for Computing Machinery on the topic of electronic voting. In spring 2006 Andrew joined Unicon full time, serving various roles, including now as the Cooperative Support for CAS technical lead.