Rapid.io is a cloud-hosted service that allows mobile app and web developers to build real-time user interfaces. Features include:

1. Rich queries: Retrieve your data the way you need it. Rapid.IO makes it really easy to filter, sort and page results so they fit into your UI. 2. Auto Indexing: Feel free to query your data any way, any time. Rapid.IO maintains indexes over all properties of all your documents automatically. 3. Flexible Security: Maintain control of who can access which document, which way. Using our flexible authorization tokens your domain logic stays in one place. Watch our demo here: https://youtu.be/1gjPKlBanUU