The core product doesn't ship any of them, so you can choose the _one_ you need, or provide your own implementation by satisfying their well-designed service in

The core product doesn't ship any of them, so you can choose the _one_ you need, or provide your own implementation by satisfying their well-designed service interface: http://docs.feathersjs.com/services/readme.html http://docs.feathersjs.com/services/readme.html