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extractCSS is an online tool which can extract ids, classes and inline styles from HTML document and output them as CSS stylesheet. All you have to do is to type or paste your HTML document and let extractCSS to do the rest for you!

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

Free Web Resources Everyday - WebResourcesDepot

Buy PHP, ASP.NET, Java and Javascript from CodeCanyon - the marketplace for code scripts and snippets.

The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards.

Adobe software and services revolutionize how the world engages with ideas and information — anytime, anywhere, and through any medium. Learn more.

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

Separate Cascading Style (inline CSS) information from HTML provides more clear code structure and certain level of SEO optimization. CSS Out! ® FREE online tool.

Unused CSS is an online tool to remove unused CSS rules. It will check you pages and mark all unused CSS and then you can download a clean CSS file.

- Hunting the Best Open Source Resources for Web Developers | WebAppers