OFCDesk IDC for AutoCAD 1.1 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following versions: 8.0 and 1.1 are the most frequently downloaded ones by the program users. The program lies within Photo & Graphics Tools, more precisely 3D Design. The actual developer of the program is OFCDesk, LLC. We recommend checking the downloaded files with any free antivirus.
From the developer:
ofcdesk idc (Integrated Design CAD) is a comprehensive solution for the Interior Design and AEC Industries. While maximizing productivity through automated processes and allowing the seamless transition of design projects between the Revit® and AutoCAD® platforms, ofcdesk idc now features innovative cloud-based technology to rapidly improve your content download and management experience.
You may want to check out more software, such as ofcdesk mep 2014 for AutoCAD, ofcdesk aec for Revit or IDC EML Converter, which might be related to OFCDesk IDC for AutoCAD.