SFTPGo - Fully featured and highly configurable SFTP server with optional HTTP/S, FTP/S and WebDAV support - S3, Google Cloud Storage, Azure Blob
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
CerberusFTP - Cerberus FTP Server 8 The secure and reliable file transfer solution that you control.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
SFTP Server - SFTP Server is a light-weight high-performance SSH File Server. It is designed to be simple to configure while providing robust security and high throughput.