Short Description: 3D Browser is part of a suite of Digital Asset Management solutions. 3D Browser for 3D Users is the one I personally use for keeping my files cataloged.
Short Description: This small application creates thumbnails of the 3D Models in your directory
Short Description: Digital Asset Management for 3D Models - Free
Short Description: Papa's Best has a couple of optimized tools for viewing your STL files and for viewing their thumbnails in Explorer. I always appreciate someone that looks at application performance in their work.