(The code is developed by Gabor Szabo and can be downloaded from https://github.com/szgabsz91/html-components.)

This is already an extensive and impressive collection (46 components in the first release August 2013) of very usable web page widgets ranging from input, menu, panel, multimedia to dialog, and even data components such as a datatable, datagrid, tagcloud, tree, and all kinds of list variants. Experiment with the sample application at http://html-components.appspot.com/.