3lian素材
3lian素材网创建于2004年10月。是一个以提供经典设计素材为主的资源网，站点包括矢量图，PSD分层素材，高清图片,Flash源文件，PNG图标，3D模型，模板，酷站，壁纸，字体，教程等。
CodeProject
Free source code and tutorials for Software developers and Architects.
Linux Online
Comprehensive information and resources about the Linux Operating System.
Linux时代
Linux时代是中国最大的Linux应用与开发人员的专业社区，栏目包含Linux新手，Linux安装，Linux管理员，Linux开发者，Linux桌面，Linux编程，Linux数据库，Linux网络技术，Redhat，Fedora，Ubuntu，SuSE，Unix，debian。
Debian
Debian GNU/Linux is a free distribution of the GNU/Linux operating system. It is maintained and updated through the work of many userswho volunteer their time and effort.
CIO
Serving chief information officers and other IT leaders, CIO.com, CIO magazine, CIO Executive Programs, CIO Custom Solutions Group and the CIO Executive Council are produced by CXO Media, an award-winning business unit of International Data Group.