1. MagicDraw UML (No Magic)

URL : http://www.magicdraw.com/

2. Poseidon for UML (Gentleware)

URL:http://gentleware.com/poseidon_for_uml.0.html/

URL : http://www.visual-paradigm.com/

URL : http://www.digitalml.com/en/index.php/

2. Stylus Studio® (Progress Software Corporation)

URL:http://www.stylusstudio.com/xml_download.html

URL : http://www.altova.com/