Prototyping web application using Excel: TutorSpree clone (opens in new tab)

>I think using excel for prototyping is cool. If you guys know any other method, please share.

HTML and CSS are so easy to use that I prototype by actually building it, and then flesh it out as new things need to be introduced or, for example, I don't like the way the navigation works, I rewrite that small part.

I cannot imagine wrangling with Excel for anything other than tabular data.

Excel is such a versatile tool that you could use it for daily needs such as creating lists and note taking. Or u could use it for web prototyping, creating images, buttons, or logos. And if you know vba, you can create complete working prototypes with data stored in the sheets. Do you guys know any other such tool