ICEfaces is a framework for developing Ajax applications for the Web and iPhone in Java with JavaServer Faces. In contrast to typical Web applications, ICEfaces applications can update any part of the page at any time. Full page refresh is eliminated, and multi-user interaction is supported through AJAX Push.
Checking of IP addresses to see if they're on any (important) RBLs.
A seed project that combines Play Framework, AngularJS, Bootstrap, and MongoDB..