How to generate XSD schema from XML

• xmlbeans: http://xmlbeans.apache.org/docs/2.0.0/guide/tools.html#inst2xsd
• online tool: http://www.flame-ware.com/xml2xsd/
• oxygenxml: http://www.oxygenxml.com/
• (eclipse plugin: http://www.oxygenxml.com/eclipse_plugin.html)
• stylus studio: http://www.stylusstudio.com/autogen_xsd.html