Orbeon Forms is an open source forms solution that handles the complexity of forms typical of the enterprise or government. It is delivered to standard web browsers thanks to XForms and Ajax technology, with no need for client-side software or plugins.
OpenXava is a productive way for creating AJAX Enterprise Applications with Java. Indeed, it's faster developing with OpenXava than with Ruby On Rails, Spring MVC, or any other MVC framework. This is because in OpenXava you only have to write the Model. The Controllers are reused, and the View are generated automatically.
My-Bic is a PHP/AJAX framework that aims to be used in enterprise level and below web development projects. My-Bic is capable of handling network down situations, JSON client side encoding, one line form processing and built in visual debugging.
Visual WebGui is a platform for rapid development, simple deployment and easy migration of desktop applications and abilities to the web. It is incorporated with an SDK which is integrative to Microsoft Visual Studio, enabling the most productive, secure and responsive desktop-like RIAs (Rich Internet Applications). Visual WebGui is coded using standard .NET languages (C#.NET/VB.NET) and utilizes the productive proven WinForms development paradigm to develop generic web applications including a WYSIWYG forms designer.