Devoted to the management and promotion of open source software development. Features information and resources.

An open source Java platform for tool integration. Includes information about projects, articles, support newsgroups and email lists, downloads, and documentation.

Web Automated Perl Portal. Open Source project for development and support of the WebAPP system. Main focus is the discussion forums and downloads. Also includes articles and other support resources.

Specializes in the popular ASP .NET open source framework including module development, custom programming and hosting solutions for DotNetNuke Web sites.

Offers information about open source softwares that aim to provide interoperable archives of peer-reviewed research by universities and scientific institutions as part of the Open Archives Initiative (OAI).

An open source XML message exchange program. Includes downloads of clients, servers, components, and code libraries; links to Jabber active servers, chat rooms, mailing lists, and projects; news, and documentation.

Lists many open source software programs for Windows computers available as a free CD or CD burn download. Includes articles, forums, and information about open source. Multilingual site.

Encourages wide adoption of open source software applications. Includes news and information about the foundation, about the current focus project, Chandler personal information manager system, and other projects.

Development area for an IT company that was one of the first contributors to the open source movement. Includes software projects, support, mailing lists, news, and the Linux Documentation Project.

Community focused on development, standards and industry acceptance of Web services. Offers articles, RSS feeds, a vendor directory, newsletter and forums.

Community for Zope, which is Python open source application server software for Web content management, portals, and custom programming. Includes information, resources, download for current release, and add-ons.

Collaborative project to provide framework and methods for Web-based application development. Included how-to, downloads for various platforms, forums, information about FLiP application development process, and FAQ.

A gathering place for Open Source projects. Windows, Linux, BeOS, and many others are supported. User supported. Membership optional.

Open source portal. Programming, Web design, project essentials, reviews, and tips and tricks.