There was a download of ClassDraw 1.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. ClassDraw lies within Office Tools, more precisely Document management. The actual developer of the software is Digitron Software Ltd.
From the developer:
ClassDraw lets you create professional-looking UML Class Diagrams whilst handling the layout automatically. Just enter the basic details of your classes and relationships via dialog boxes and ClassDraw draws your diagram on the screen instantaneously as you provide the information.
You may want to check out more software, such as STAMPIT, RagTime or JAWS, which might be similar to ClassDraw.