WebMotion is a Web application development framework based on a REST architecture and the Java EE 6 standard. It features a presentation layer management using pages (JSP, HTML, etc.) and REST service exposition (e.g. XHR calls). It enables you to serialize service results into JSON or XML. The framework has deliberately limited capabilities, but it focuses on the ease of use. It leaves open the choice of persistence framework, dependency injection, and validation.
betterFORM is an implementation of the W3C XForms 1.1 Recommendation. It allows easy creation of highly dynamic Web 2.0 user interfaces with attractive controls and layout. You can add validations, calculations, actions, and events to build complete Web applications in a declarative way.
iWiccle is a Web 2.0 framework platform and a hybrid CMS community builder for developing Web sites. Specializing in social networks, blogging sites, and online Web communities, it lets you easily create standard websites with Web 2.0 features, blog sites rivaling other blogging systems, communities and groups with social networking, portfolios and presentations with interactive features, photo galleries, link directories, searchable content Web sites, news portals, article repositories, storybook sites, and video galleries. iWiccle is built atop the host-independent and eco-friendly Wiccle CMS Framework, featuring over 10 modules, a content management system, multi-language and templating support, Web site and page builder tools, admin control panels, module and page layout cloning, top-level scripting, and much more.
phpDays is a flexible PHP 5 framework for rapid Web site development. It features an MVC architecture, Ajax support, YAML configuration, database abstraction (MySQL, PostgreSQL, MS SQL, etc.), a good collection of standard models, an excellent quick start guide, and logging to files or firephp.