Thingler is a collaborative, real-time to-do application built over NodeJs, complete with password protection. You don't even need to provide an e-mail address.

Thingler is a collaborative, real-time to-do application built over NodeJs, complete with password protection. You don't even need to provide an e-mail address. I think the OP can look into http://thingler.com http://thingler.com to check out how awesomely they have implemented this.