Yes,Pranav Mistry's 'Sixth Sense' project is now open-source under GNU GPL v3 licence.
Here is the link : http://code.google.com/p/sixthsense/
And here is the link of goole group mailing list (feel free to join it :)), http://groups.google.com/group/ss_dev
Here is the link : http://code.google.com/p/sixthsense/
And here is the link of goole group mailing list (feel free to join it :)), http://groups.google.com/group/ss_dev