Red Hat is the world's leading open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions.

Comprehensive information and resources about the Linux Operating System.

Linux伊甸园是最大的中文开源资讯门户网站，拥有全方位的开源资讯，论坛，下载，博客，技术支持和解决方案。

《程序员》月刊主办单位为中国社会科学院，创刊于2000年，已成长为中国最具影响力、最权威的IT专业技术期刊，是国内唯一一本定位于职业开发者、项目经理、CTO&CIO的技术高端杂志，以其产业化、专业化、人文化、个性化的独特定位赢得了读者的青睐。

For the community, by the community, Linux.com is the central source for Linux information, software, documentation, how-tos and answers across the server, desktop/netbook, mobile, and embedded areas.

Dundas Data Visualization, producers of award winning .NET Charting and Data Visualization Solutions for Microsoft Technologies.

Corporate website for Delphi - a leading global supplier for the automotive, computing, communications, energy, and consumer accessories markets. Headquartered in Troy, Mich., Delphi has more than 100,000 employees in 32 countries.

中文JAVA技术网 推广和普及Java技术，为国内众多的Java爱好者提供一个“平等自由协作创造”的开放式交流环境，提供Java专题文章、Java论坛、资源下载、博客和开源项目等栏目。

Codeguru is where developers can come to share ideas, articles, questions, answers, tips, tricks, comments, downloads, and so much more related to programming in areas including C++, Visual C++, C#, Visual Basic, ASP, ASP.NET, Java, and more.

开发者在线面向软件开发领域人群。核心内容覆盖软件开发技术的各个层面：C/S开发、数据库开发、SOA中间件、WEB开发、移动嵌入式、项目管理、网页设计。