netvibes

Tarek Aziz Karim , the founder of Netvibes is making an announcement about netvibes today - they are introducing a "Universal Widget API". It's one widget to rule them all where there code will recognise the widget engine and serve up the correct widget.

Once a widget is made using the API, the same widget can made available on Google, Netvibes, OS X and others. Preview it at http://eco.netvibes.com/uwa.

Also, Tarek just announced that they will also be supported OpenID.

More detail on TechCrunch.