This section includes links to useful information for working with RELAX NG schemas.
q RELAX NG home page (http://www.relaxng.org/)-Here you will find information and links to the specifications, tutorials, and tools for RELAX NG and RELAX NG compact.
q Oxygen (http://www.oxygenxml.com)-IDE for working with RELAX NG files.
q Trang (http://www.thaiopensource.com/relaxing/trang.html)-Schema conversion tool that enables migrating schemas between common (and not so common) schema formats, including RELAX NG and RELAX NG compact.