a fast and concise JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.
a set of JavaScript libraries to enhance the user interface of web sites. It provides an visual effects engine, a drag and drop library (including sortable lists), a couple of controls (Ajax-based autocompletion, in-place editing, sliders) and more.
qooxdoo is an advanced open-source JavaScript-based GUI framework. It helps you to implement professional AJAX-enhanced web 2.0 applications - easier than ever before.