Thank you for using our software portal. Using the link below to download ERDAS Extensions 2010 for ArcGIS from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available.
However, we must warn you that downloading ERDAS Extensions 2010 for ArcGIS from an external source releases FDM Lib from any responsibility. Please carefully check your downloads with antivirus software. FDM Lib takes it upon itself to provide free download links and inform users when the developing company starts providing a version of ERDAS Extensions 2010 for ArcGIS for direct download.
Download from download.hexagongeospatial.com