Apache Click is a modern JEE Web application framework, providing a natural rich client style programming model. Apache Click is designed to be very easy to learn and use, with developers getting up and running within a day. It also supports automatic component rendering, client/server side validation, full localization, and multiple template engines (currently Velocity, JSP, and FreeMarker).
Bookingpad is a Web-based booking system. Its aims are to provide an easy to use interface for people booking and to be flexible enough to be used for a variety of purposes. It uses an image as a backdrop where booking slots can be placed. Once placed, the slots are manipulated through drag and drop.
Joget Workflow v4 is a source platform to easily build enterprise Web apps for cloud and mobile. Build full-fledged apps, e.g. CRM, HR, Healthcare, etc. Drag and drop forms, lists, and UI elements. Add workflows to automate processes. Extend via plugins. Apps are mobile optimized and cloud ready. Download ready made apps from the Joget Marketplace.