佛跳墙ⅴPN

Build Apps not Servers! Whether you need to support one App or a hundred, Usergrid is your backend. As easy as a LAMP stack, but built for mobile. Get Apps to production in record time and stop wasting cycles writing server-side code.

Complete SDKs for iOS, Android, HTML5/JS, Node.js, Ruby, Java, .NET, and PHP. Open source since 2011.