http://doctorbeet.blogspot.co.uk/2013/11/lg-smart-tvs-logging-usb-filenames-and.html#comment-form

Something wrong with the cmd line ftp? Think that qualifies as free... :laugh:

Mantis is excellent -- I set it up for a customer and they love it. And the price is right. I set it up in linux and windows -- both work well. Covers all the features mentioned and many more.