widget-examples

Apple's Dashboard

• Uses an XML Manifest file to specify data about the "widget" (width, height, thumbnail image, title and version).
• No requirements for markup around widgets.

AOL's Channel Content Modules - [Sports example]

• Each module (widget) has a markup envelope and some required elements that make it a module and allow for consistent styles across products.

Konfabulator

• (need someone else to fill this in, have never built one or taken them apart)

WSRP

• SOAP envelopes to transport modules, but there is no specific formatting required for the actual content of the "portlet" (module or widget).