Hijax is a web framework supporting AJAX-based development. It links Javascriptclient events to server code (Java), and allows modifying the page content from the server event handlers, even for standard HTML files (no serverside tags needed).
Facets is a web application framework that leverages a simple MVC architecture for the server side and a feature-packed Javascript component model for the client. The two pieces are designed to be seemlessly integrated for very dynamic AJAX-style apps.
Parsec provides a JSP 1.2 tag library and an API for developing rich web applications. MVC is supported with the Page Controller pattern, where requests go to JSPs; no XML config files. Client-side form validation supported by JavaScript code generation.
A MVC oriented client-server web framework written in C and JavaScript for Apache HTTP servers. The server executes models and the built-in template engine creates the view. The client-side is a JS API, and makes communication with the server easy.