If you're just looking for a UI builder and are not looking for anything on the backend, I'd encourage you to check out my app, Lean Designs [1], an HTML5-based WYSIWYG website builder. If Photoshop and Dreamweaver had a baby and then it went on a heavy diet, I'd like to think it would look something like Lean Designs. :)<p>Here's an example of a site created with it (keep in mind all the HTML and CSS is generated algorithmically):<p><a href="http://www.leandesigns.com/designs/3954/16efd20996" rel="nofollow">http://www.leandesigns.com/designs/3954/16efd20996</a><p>[1] <a href="http://www.leandesigns.com" rel="nofollow">http://www.leandesigns.com</a>