Screenshot/PDF for any website
This is an app I built with PhantomJS that generates screenshots from any URL you feed it: Website to PDF/Screenshot.
Find flickr page for image app
With this small web-based application you can find the original flickr page if you only have an image link.
The application uses Ajax on all JavaScript-enabled browsers and degrades gracefully on others. As an exercise I also made the Ajax content crawlable and enabled Ajax history and deep links with the help of the jQuery hashchange plugin.
Best of SEO
This is a place where I collect various SEO-related information: Best of SEO.