Making Oauth Providers seriously sucks. I kno people will out me for not being rigorous enough or not low-level enough, but I would really love if we could all band together and provide some reference, open source provider to build on top on.

In the Rails world, Doorkeeper is a great example: https://github.com/applicake/doorkeeper/. However, I wish Doorkeeper were ORM agnostic as i can not use ActiveRecord nor Mongo. I would appreciate any hidden gems that others might have