ScrollMe, a jQuery plugin which help you to put simple scrolling effects on your web page or app while you scrolling down a page. With this you can apply scale, rotate, translate and opacity animations on any elements on the page.
Modern UI Kit is a simple and elegent user interface kit available as free PSD under MIT licence. It can be use for personal or commercial projects including software, web, apps, advertising, GUI etc.. for your clients.
It’s not “spec,” but WebKit browsers support image masks. If you are familiar with Photoshop, they work like that.
Tridiv is a web-based editor for creating 3D shapes in CSS. It provides a traditional four-pane interface that gives a view from each plane, as well as a preview pane showing the final object. It’s possible to create extremely sophisticated objects and animations with Tridiv.