| Memory (included) | In-memory adapter, does not persist to disk. |
| IndexedDB | Persistent data storage adapter that works in modern browsers, falls back to memory if not available. |
| MongoDB | NoSQL document data store. |
| Postgres | Relational database adapter, translates arguments directly to SQL. |
| Redis | In-memory data structure store. |
| Google Cloud Datastore | Google Cloud Datastore, NoSQL. |
| NeDB | Embedded document data store with an API that is mostly compatible with MongoDB. |
| File System | An extension of the built-in memory adapter that persists records on disk as flat files. |
| localForage | Takes advantage of localForage, which wraps IndexedDB, WebSQL, or localStorage. There is also a Cordova SQLite Driver. |
| ElasticSearch | Search engine based on Lucene. |