Chronos description
Chronos - Time Logging Utility for AutoCAD

Chronos is a time logging program for AutoCAD.

Chronos will log all users that access AutoCAD drawing files and provides
comprehensive reporting tools for documenting AutoCAD usage.

Chronos is a software that allows you log users that access AutoCAD.

The drawing data that is logged includes:
Creation Date
Last Accessed Date & Time
Drawing Original Time
Drawing Edit Time
Drawing Elapsed Time
Last Accessed by
Counts of various drawing entities

In addition the following data is recorded for each user
User Last Accessed Date & Time
User Original Time
User Edit Time
User Elapsed Time

Recorded data can be saved to a Comma Delimited Text File or an Excel Spreadsheet

Limitations:
30 day Trial
25 User Limit