Sometimes, somehow, Google is still a mystery. Ever tried the related command ? Well, this link will do that with this page. (Either use the search key related:your_homepage_url, or use the advanced options, fill in second to last line)
First hit is iSketch. What in heaven’s name ? That page is flash based, so it doesn’t even share the tiniest bit of source code. Are you mystified, or am I ? Why don’t you try yours.