CRUDR

CRUDr is platform-agnostic and can connect with any application that can authenticate using OAuth2:Websites, Mobile Apps, Online Games and much more... Connect to external DBs of your choice, so you maintain control and ownership of your data. Supporting MongoDB, SimpleDB... Although we do not offer a free tier, for evaluation purposes you may check our demo applications, the Premium mebership is a reasonable solution priced to cover merely the service costs.