F7KS

Framework7 - is a free and open source mobile HTML framework to develop hybrid mobile apps. It is also an indispensable prototyping apps tool to show working app prototype as soon as possible in case you need to.

Framework7 comes with a bunch of ready to use UI elements and widgets like modals, popup, action sheet, popover, list views, media lists, tabs, side panels, layout grid, preloader (activity indicator), form elements, etc. The awesome point is that you dont need JavaScript at all for the most of mentioned widgets.