J2EE http://java.sun.com/j2ee/sdk_1.3/techdocs/api/ Java
Java12 http://java.sun.com/j2se/1.2/docs/api/ Java
Java131 http://java.sun.com/j2se/1.3.1/docs/api/ Java
Java http://java.sun.com/j2se/1.4.2/docs/api/ Java
Ruby http://www.rubycentral.com/book/ref_c_ Ruby
Nanning http://nanning.codehaus.org/apidocs/ Java
Sakai21 http://cvs.sakaiproject.org/release/2.1.0/javadoc/ Java