Lightstreamer is the most advanced server for real-time bi-directional data delivery through the Internet

Lightstreamer has been used in mission-critical production systems for years, where high scalability, low bandwidth usage, smart firewall traversal, adaptive throttling, and total reliability are key requirements.

Lightstreamer streams real-time data to and from any desktop/mobile browsers/apps. HTML, HTML5, Ajax, Flex, Silverlight, iOS, Android, BlackBerry, Windows Phone, Java, .NET, and Excel technologies are supported.

 

DOWNLOAD Lightstreamer!
A FREE edition is available

 

Lightstreamer 4.0 Released
Check out the latest release, codename Duomo

 

Spacecraft Telemetry
Lightstreamer procured by NASA for telemetry

 

Mobile Apps
Stream real-time data to mobile apps

 

WebSockets and Comet
Read about Push, WebSockets, and Comet