Free XML tools and software. Free XML tools and software This is a frequently-updated and hopefully complete index of free XML tools, with much metadata about the tools to make them easier to locate. The list below shows the various ways of accessing the information on this site. Contents The site contents are also available as a topic map, although this is at the moment only raw XML source. If you want to learn how to use these tools you can read my book Definitive XML Application Development. Meta-information Below are various pieces of information about this site: HTML 4.01 / XHTML 1.0 Reference. Css Zen Garden: The Beauty in CSS Design. Properties : CSS 2.1 Reference : Cultured Code. Css.maxdesign.com.au - CSS resources and tutorials for web designers and web developers.