Getting Started with implementing your own gadgets with a hello world example.A more sophisticated example you can finde here.Google Gadget Editor, where you can try out a chunck of your code online with preview option. Gadgets API overviewGadget...

I just came across a nice blog from Soh Tanaka at http://designm.ag/, who gave a tutorial on switching layouts using jQuery and CSS. See the demo of Display Switch.

Widgets are very often used in personalized homepages, personal desktops or in the personal learning environments (PLE) where users are supported to aggregate and create their own configuration of widgets. A list of some famous personal desktops...