DevArticles.com An excellent article and tutorial resource site that provides up-to date, relevant and informative content to beginning, intermediate and advanced developers & programmers alike. If you're looking to advance your knowledge of HTML, ASP, Java, XHTML, CSS, MySQL, etc., start here.
Pixel Resource Network A graphic and web design site, established in 1997, that has recently added a message/bulletin board service for posting questions and solutions dealing with most aspects of web site design and development.
TheSiteWizard.com Offers articles and tutorials related to website design, promotion, programming and revenue making. There's a lot of content on this site and well worth checking out.
WebsiteGoodies Offers articles, resources and tools for webmasters, including tutorials, promotion tips, free guestbooks and counters, and a free advertising rotation service with banner weighting, stats and advertiser logins.
ButtonGenerator.com A fr'ee Online tool to add text to buttons. This is one of the slickest button generators we've seen. The site currently has 36 button types and 19 styles. Check it out.
Open Source Web Design A community of designers and site owners fr'eely sharing designs as well as design information. Templates can be found by searching various criteria such as color and validation. Design information and tips can be found in the Forum and Design News which outlines articles about design across the web.
Constant Content A site that offers high-quality content - articles, tutorials, etc. that you can use to complete your website. Authors can be contacted for specific content requests.
mobiReady Provides a free report on how well your site performs on a mobile device. Simply enter the URL of the page you want to check and get both a score (from 1 to 5) and an in-depth analysis of your pages.
Compete.com A service similar to Alexa providing information on every site on the Internet, including site traffic history, competitive analytics, site-specific trust scores, etc.
Skysa.com Provides a useful website footer bar that can be added to any website in minutes. The bar can include chat, sharing, page translate, voting poll, Twitter, Facebook, etc.
WebSEODesign Offers a variety of interesting webmaster resources, including reviews of fr'ee and paid web directories and an assortment of some good SEO Tools.
Wolfram|Alpha Widgets Allows you to build your own personalized mini-apps (widget) or find one in the Widget Gallery. You can embed the widget in your website or blog, or share it on Facebook, Twitter, email, etc.