Community Chickens

I'm so curious to know if anyone out there has ever been involved with community chickens?  You know, like a community garden?  We have space, but no money to invest...and a huge desire to be raising our own chickens to eat and our own organic eggs to use.  I would love to hear from you if you've ever tried it or know someone who has.  I have no idea how it should be organized....any suggestions?