DPLOY - An FTP/SFTP deployment tool built in node.js
WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.
Steed - Stop bothering to jump between applications, you can handle multiple protocols within Steed.
BitKinex - Bitkinex is a multiprotocol FTP client, supporting FTP, SFTP, HTTP (WebDAV).
Forklift - The most advanced dual pane file manager and file transfer client for macOS.
FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.