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.