MiniWeb models an entire web site in a single HTML page. All of the site files are stored in a JSON object which you can navigate with a UNIX-like shell or the system browser. It has a built-in templating system and has an approximate separation of client and server. It is in its infancy but is still kind of fun to play with.

cssQuery() is a powerful cross-browser JavaScript function that enables querying of a DOM document using CSS selectors. All CSS1 and CSS2 selectors are allowed plus quite a few CSS3 selectors.

HTML email design reference

A tool for visual layout development of YAML based CSS layouts

This PHP package provides methods to create, validate and render HTML forms.

Create HTML Form in Seconds

Convert your HTML documents to PDF.
Beautiful printing with simple CSS.
Prince is an ideal printing component for server-based software, such as web applications that need to print reports or invoices. Using Prince, it is quick and easy to create PDF files that can be printed, archived, or downloaded.

Alsacréations est une communauté dédiée à l'apprentissage des standards web (W3C, HTML, XHTML, CSS) ainsi qu'à l'accessibilité numérique

Use this tool to create data streams for embedding images (or any type of file) in (X)HTML, CSS and XML.

This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.