LoopBack DataSource Juggler is an ORM that provides a common set of interfaces for interacting with databases, REST APIs, and other data sources. It was initially forked from JugglingDB.
For full documentation, see the official StrongLoop documentation:
npm install loopback-datasource-juggler
Also install the appropriated connector, for example for mongodb:
npm install loopback-connector-mongodb
See StrongLoop Suite Documentation for up-to-date list of connectors supported.