Maybe check https://winscp.net/eng/download.php
I've used the CloudBerry apps on Windows. They work reliably, but the UI is abysmal.
What about Cyberduck?
Re:Transmit 5
by LeoPanthera on Wednesday July 19, 2017 @01:57AM
(#14802235)
Seconding Cyberduck. Great on Windows and Mac.
Sigh.