For those who are interested, Eran Hammer released an OAuth2 replacement in September:

    "Iron is a simple way to take a JavaScript object and 
    turn it into a verifiable encoded blob. Hawk is 
    a client-server authentication protocol providing 
    a rich set of features for a wide range 
    of security needs. Oz combines Iron and Hawk into 
    an authorization solution. Together these three 
    modules provide a comprehensive and powerful solution."

Read more here: http://hueniverse.com/2015/09/19/auth-to-see-the-wizard-or-i...