Licence: GPL V2 - Meaning that you have 100% FREEDOM TO USE IT and can install it into UNLIMITED websites FOREVER! No More License Restrictions! No more IONCUBE!

Feature:

* Control the access to certain categories of the DocMan downloadable files to members only.
* Supports both Access Control and Membership Control 4.0

Instructions can be found here. It has been tested and 100% working with DOCMan1.4.0 + Membership Control (OR Access Control) 4.X

http://membership.opensource-excellence.co.uk/blog/45/94