HEATKEYS

A community committed to sharing Perl knowledge and coding tips. The site contains questions and answers, useful snippets, and a library of code.

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.

- UNIX and Linux Forums - Learn UNIX, UNIX commands, Linux, Operating Systems, System Administration, Programming, Shell, Shell Scripts

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

Experts Exchange enables people with technology problems to quickly and easily solve their problems by collaborating with experts from around the world.

DiffNow lets you compare text files, documents, binary files, and archives up to 2048KB in size. You can either upload the files you wish to compare or enter their URLs. Results are returned as an interactive HTML report.

Quora is a continually improving collection of questions and answers created, edited, and organized by everyone who uses it.

Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.

Snipplr lets your store and share all of your commonly used pieces of code and HTML with other programmers and designers.