HEATKEYS

Online tools for developers, including formatters (JSON, XML, HTML, SQL, etc.), minifiers (JavaScript, CSS), validators, compactors and many more!

W3C

Boost Sales with SimplyCast

Convert webpage HTML into email automatically with Fractal. Changes CSS div layouts into nested tables programatically. Make your emails cross-browser compatible, including Outlook 2007, 2010, Gmail, Hotmail, Yahoo Mail, and other clients.

Focusing on html email marketing best practice design, showcasing a gallery of great examples of email design.

Get product information, support, and news from Microsoft.

CSE HTML Validator is a powerful and easy to use offline HTML, XHTML, CSS, JavaScript, and PHP syntax checker, HTML validator, XHTML validator, accessibility checker, and link checker for Microsoft Windows. A free edition is also available.

HTML XHTML CSS JavaScript XML XSL ASP SQL ADO VBScript Tutorials References Examples

SitePoint.com - With a vast variety of web design tutorials and articles coupled with a vibrant and well informed community, SitePoint the natural place to go to grow your online business

Web Design and HTML are all about creating a great Web site. Use Web development and Web site design to build Web sites that customers return to over and over again. On this site learn the basics of Web design, HTML, XML, and Web development.

Drowning in spam? Frustrated by your email program? Looking for free email? Searching for somebody