Lightstreamer is described as 'Server for delivering real-time messages to browser-based and mobile applications, using WebSockets and HTTP. Features include dynamic throttling, bandwidth and frequency control, delta delivery, and total control over security and the quality of service' and is an app in the development category. There are six alternatives to Lightstreamer for a variety of platforms, including Web-based, Linux, Mac, Windows and Android apps. The best Lightstreamer alternative is Socket.io, which is both free and Open Source. Other great apps like Lightstreamer are Ably, Pusher, Atmosphere Framework and LatteStream.