Firebase is a popular backend-as-a-service platform to build mobile or web applications that connect to a RESTful or real-time API. It makes it easy to get an application up and running quickly but if you are looking for more hosting options (Firebase plans can get pricy and you are locked into the platform) or are curious about full stack development in NodeJS, Feathers is an open source alternative that provides very similar functionality, but giving you much more control.
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