We use Syncplify SFTP solutions for a cricital part of our business to receive files from clients. The ease of use makes Syncplify our go to software. Their customer/tech support is quick to reply to emails and help where needed.
The current description for the company says "Syncplify.me FTP! is a totally free, graphical, multi-threaded FTP, FTPS, and SFTP client for Windows". However, that's very wrong. I will put new information in the next box