Create.ly
Ever had a need to create a diagram without fancy software? Go to create.ly then.
Creately is a visual collaboration platform used by project teams to communicate more effectively. With Creately's easy to use interface and Shared Projects, everyone on your design, development and business teams can collaborate on software designs, wireframes, business & strategy diagrams easily.
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Short link: http://name.ly/~bzHE$6B
They have also came up with a smart way to widgetise on Google products:
http://techie-buzz.com/blogging-tips/10-best-google-gadgets.html