Diglog is a user-driven social content network. All the contents of Diglog come from the community.After you submitted some contents, other people will browse them , if they like the contents, they could vote it (dig it). if the content which you have submitted obtains a certain number of votes, it will be selected to the homepage and tens of thousands of users will browse it.

Leadership Of Open Source University Promotion Alliance(LUPA) is a chinese open source community website, it was created on June 12, 2005 in Hangzhou of China. LUPA advocates software innovation,and wants to build a bridge between universites and enterprises.

ChinaUnix.net is a chinese open source community website, it discusses Linux/Unix System technology, software development and application technology, network application technology, it aims to provide a free, open communion space. ChinaUnix's goal is to become the China's best open source community.

"Chinese Linux Forum" was created by David (Dengguanglei) on August 1, in 1999. It is a neutral, non-profit web site. its purpose is to promote free software cultural,intercommunion and popularize Linux technology, it is a vibrant community of Linux fans.

This is a site for studying Linux and other open source operating system. it aims to release original document and collect learning resources. it also provides convenient access to Linux beginners.