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SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

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

phpScheduleIt is an Open Source web-based resource and reservation scheduling system. It provides management of unlimited reservations on unlimited resources of any kind.

e107 is a portal or content management system powered by PHP and mySQL that gives you a totally dynamic and professional website out of the box. It

Ohloh is an open source directory that anyone can edit. It features comprehensive metrics and analysis on thousands of open source projects.

HTMLforums.com offers free HTML and web development help to webmasters, web developers and small business owners

Buy Website Templates and WordPress Themes from ThemeForest - the largest marketplace of its kind for Site Templates and CMS Themes.

IBM

OSC helps Catholics and Catholic organizations find effective solutions in proclaiming the Gospel in a new generation of technology.

Leading Social Science Research Delivered To Your DeskTop Daily. Social Science Research Network (SSRN) is devoted to the rapid worldwide dissemination of social science research and is composed of a number of specialized research networks in each o...

Academia.edu helps academics follow the latest research.

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...