RESTX is a relatively new and interesting approach to Restful API. It up scales on performance by utilizing a custom built dependency injection container. It also provides a feature rich as well as modular approach to pluggable development for meeting the flexibility needs of any business domain requirements. There is even a useful API docs built in, as well as developer friendly testing and an admin console. There is also a very unique integration with MongoDB. Although, it does not limit one to a specific backend.
