You can download Devgems Data Modeler Trial from here. No registration is needed. The trial version is fully functional except it expires after the trial period and only allows to save projects with a limited number of tables. The online update feature is also not available in trial version.

Product	Size
Devgems Data Modeler - Trial Version Executable installer for Windows XP/Vista.	12.2 MB	Download

Contact us if you're having problems with the downloads.