OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
Bitvise SSH Server (WinSSHD) - WinSSHD is our SSH server for all Windows NT-series operating systems.
copssh - Copssh is an ssh server and client implementation for windows systems.
Dropbear SSH Server and Client - Dropbear is a relatively small SSH 2 server and client.
MobaSSH - Enhanced SSH server for Windows with Unix tools and much more
WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.