HtmlUnit is a "browser for Java programs". It models HTML documents and provides an API that allows you to invoke pages, fill out forms, click links, etc... just like you do in your "normal" browser. It has fairly good JavaScript support (which is constantly improving) and is able to work even with quite complex AJAX libraries, simulating either Firefox or Internet Explorer depending on the configuration you want to use. It is typically used for testing purposes or to retrieve information from web sites.

HTML and CSS, two of our favorite acronyms, are normally associated with web pages. [...] But, are they suitable for off-screen use? Can CSS be used for serious print jobs?

You may not get a Wii, but you can still get your own Wii Buttons with only 2 tags + 1 image + one CSS file .

At least it's tested and compatible with IE6, IE5.5, IE7, Safari 2, Firefox 2, Opera 9.

The Yahoo! User Interface (YUI) Library is a set of utilities and controls, written in JavaScript, for building richly interactive web applications using techniques such as DOM scripting, DHTML and AJAX.

Debug JavaScript, inspect CSS and the DOM, and view any errors – Opera Dragonfly makes developing using Opera easier than ever, both on your computer and mobile phone.

You’ll see a variety of techniques such as image galleries, drop shadows, scalable buttons, menus, and more - all using only CSS and HTML.

html2image can convert html to bmp, convert html to png and convert html to jpg.