Known as an open source massively multiplayer online role-playing game. Find an extensive list of rules and downloads.

Provides tools and services to support the open source community. Browse news, read about featured clients and check out job listings.

Open Group presents benefits of use for end users, developers, and administrators. Profiles of printing, Web browsing, and 64-bit support follow.

Collection of open source cryptography software and libraries. Browse daily news articles, opinions and reviews.

Development and integration firm specializes in Linux and Open BSD servers, as well as custom Web applications with Java, MySQL and Apache.

PHP programming directory with complete downloadable scripts, as well as tutorials and communities. Includes hosts specializing in PHP and open source programming.

Feature article by Richard Poynder presents an overview of open source projects and examines their usefulness for information professionals.

Investigate this non-profit corporation that develops and maintains reference implementations that meet Internet standards.

Reference site for developers who rely on O'Reilly books to provide in-depth technical content on open source and emerging technologies.

Read several views on the Open Source movement, with case studies supplied by techies and hackers, business people and customers.

Project through which releases technology for the StarOffice suite employs XML for cross-platform development. Contribute to individual modules.

Keep a finger on the pulse of the rapidly developing world of wireless application protocol. Features news, a FAQ and a mailing list.

PHP-oriented open source portal and news script. Locate module open releases, in addition to FAQs on Apache, BeOS, JavaScript, MySQL, and Red Hat or Mandrake Linux.

Meeting place for Open Source programmers. Offers CVS repository, mailing lists, bug tracking, and message forums.