Lift Web Framework

Lift provides powerful facilities to build highly interactive web applications.

Ajax

Lift has powerful set of Ajax features that all you to create Ajax controls with as little as 1 line of code:
 ajaxButton("", s => {println("you said: "+s); SetHtml("place", <b>{s}</b>)})

Comet

Lift supports Comet-style long polling with very little work on the part of the developer. Here's the code the implements the clock that you see in this demo:

Lift is Copyright 2007-2013 WorldWide Conferencing, LLC. Distributed under an Apache 2.0 License.
Lift version 2.5 built on Sat Jun 01 04:22:10 UTC 2013.
Stats: Total Memory: 800,456,704 Free Memory: 629,882,168 Open Sessions: 562
Updated At: Wed Oct 01 23:53:57 UTC 2014 Started At: Wed Jun 11 22:22:17 UTC 2014