Lightstreamer is a 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.

-The server runs on any platform (Linux, Windows, Unix, and more)
\- Deploy in the cloud or on-premises
\- Server API for Java, .NET, Node.JS, and JMS
\- Client API for JavaScript, iOS, Android, .NET, and more
\- Works with any existing browser.

Lightstreamer enables several forms of real-time messaging

\- The pioneer of data push, Comet, and WebSockets
\- Asymmetric publish/subscribe
\- Multiple paradigms: fan-out, broadcasting, one-to-one, etc.
\- Firewall and proxy friendly
\- Adaptive throttling and bandwidth control.