You need JavaServer Page engine such as Tomcat.
In Tomcat server.
You need j2sdk(http://java.sun.com) and Maven(http://maven.apache.org) to compile source
1. Download source
Download source in download page and unzip file. Or source can be got by checkout from CVS server.(Cvs documents)
2. Compile
Just type 'maven' in source directory.
Compiled war file is located in 'target/chipchat.war' and documents are locate in 'target/docs' directory.