Directory Critic A comprehensive article and directory resource to help webmasters build back-links and popularize their sites. It includes directory submission, webmaster tools, weekly email alerts, directory templates, etc. Lists/articles are added and updated daily.
FreeProgrammingResources A directory of links to fr'ee programmer resources, including tutorials, books, compilers, tools, source code, libraries, graphics resources, security tools, etc.
PicApp An online picture search engine and tool for adding high-quality, current, and creative images to blogs and websites - without the copyright or licensing worries.
A List Apart For people who make websites. It is a community for designers, developers, producers, project managers, architects, and assorted specialists to discuss and share their ideas and technology with special focus on best practices and web standards.
eConsultant.com The ultimate web developer list providing 4000+ web development links in 2000+ topics. Some very useful stuff at this site.
HeyZap Allows any website or blog to add flash games to improve traffic and visitor retention. Publishers can use widgets, APIs or RSS feeds to connect up to over 12,000 games.
Copyscape.com Finds sites that have copied your content without permission, as well as those that have quoted you. Simply type in the address of your web page, and Copyscape does the rest.
Referer.us An advanced URL redirection site providing services for webmasters, bloggers, and affiliate marketers. URL Redirections include; Short URL, No-Referer URL, and Hide HTTP Referer, etc.
DailyRotation.com Offers quick loading headlines from 300+ tech sites. Offers websites daily rotation headlines through the use of simple code snippets.
Sitonomy A service that provides developers and designers a report on which technologies are used in a specific blog/site, what percentage of sites use the same technologies and what alternative technologies could be used.
loadaverageZero Dedicated to the latest standards in Web accessibility, design and programming using client-server, open-source technology. Interesting site, especially for web developers.
Spiceworks A free systems management, inventory, and helpdesk software application designed for IT network administrators working in small to medium-sized businesses. Users can get support from the IT Community, troubleshooting tools, run IT audits, etc.
Quantcast beta A search site that provides audience stats on over 20 million websites. View audience reports for your site. Inaccurate stats can be corrected by adding Quantcast code to your site.
WooRank.com A powerful online website analysis tool that provides quick results that include traffic estimates, Alexa and Compete ranking, pages indexed, In-Site and Off-Site SEO summaries, website compliance, usability information, etc.
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.