Yes, there have been several Shopsmith clones or knock-offs, but in this section we've got a genuinely original combination woodworking tool which was inspired by the lathe-based Shopsmith design.  The Fox Super Shop was invented by Tony Fox, and in addition to information on his tool, I've also attached some information on Mr. Fox's other famous endeavor, the FoxJet.  Anyway, the Super Shop design is now produced in China and has been sold under the name Smithy Super Shop, Iron Wood and the Harbor Freight Central Machinery 10-in-1 Woodworking Machine (below).  
Visit the posts attached below for more details.