Apusic OperaMasks is a open source Web Framework, it provides JSF engine which support original Ajax, and it has a rich client components based on JSF engine, OperaMasks provide a good support for Ajax, and provide a group of feature-rich UI components which reduce the complexity of Web development.

Buffalo is a chinese open source project, it is an lightweight AJAX framework for java web projects, and easy to use yet powerful. It solves most the common problems during j2ee ajax development. It promise bringing benifits for both developers and the end users.