While the top five FTP programs listed above will provide an excellent experience for the majority of users, other clients are worthy of consideration. This client has a portable version and comes with synchronized browsing.
WinSCP will open remote files in the local text editor for easy updates that are automatically uploaded to the server after each save.
It also allows for the editing of remote files, making website updates quick and simple. The client is extremely lightweight and easy on system resources, which is very important for older or underpowered computers. It supports the SCP and SCTP protocols, which allows for safe, secure transfer. WinSCP, which is also referred to as Windows Secure Copy, is a free client that is open source.