Systems that allow communities to manage and produce their own media are increasingly visible.
They range from gigantic global endevours like OneWorld, that brings together more than 1,500 organizations from across the globe — to promote sustainable development, social justice and human rights.
http://www.oneworld.net
to
Community Edit, a solo artist project that "uses Broadband but is NOT television and NOT a website but which allows a community to produce its own media."
http://www.softhook.com/comedit.htm