The latest version is: NXdoctor Ver1.1 (released on 7th June, 2010).

Please note that the product name has been changed to CADdoctor for NX from its version 1.2.
Please find the detailed information from the news linked below:

• [Product Info] NXdoctor has changed its name to CADdoctor for NX
• [Product Info] NXdoctor 1.1 released
• [Product Info] NXdoctor 1.0 released