The same basic thing seems to exist as an open source platform as well: http://pybossa.com/ http://pybossa.com/ - if you're going to base it off the interest of

The same basic thing seems to exist as an open source platform as well: http://pybossa.com/ http://pybossa.com/ - if you're going to base it off the interest of people to participate, why not apply that to the full stack?