Anticlock uses CouchDB as database that completely embraces the web. Store your data with JSON documents. Access your documents and query your indexes with your web browser, via HTTP. Index, combine, and transform your documents with JavaScript. CouchDB supports master-master setups with automatic conflict detection.
Benefits of CouchDB are as follows:
Flexible Schema designs.
This database work smoothly on modern mobile and web applications
It provides high performance caching and substantial capacity of data synchronization.