Filezilla Portable is a FREE portable stand alone FTP client that can be run directly from a USB flash drive, external hard drive or other portable device without installing anything to the Windows host PC. It is based purely on the popular Filezilla FTP client. Wrapped and packaged as a portable app.
i.FTP is a compact yet powerful portable FTP client designed specifically to run from USB flash drives or other portable devices. Despite its tiny size, it offers a full range of features needed for efficient file transfers via FTP or SFTP, all wrapped in a user friendly graphical interface.
DropUpLoad is a portable FTP spooler that allows a webmaster to completely update his or her website directories via ftp with minimal risk to data corruption or loss when moving a large number of files. It does this by holding the files in que, then spooling or buffering the information that is being transferred. It can be installed to and run from a USB flash device.
FTP Wanderer is a nice and easy to use Portable FTP browser that allows a user to easily transfer files to and from FTP sites. Some key features include drag and drop uploading and downloading, complete folder transfers, multiple connections and resume support. It's easy to use with an Explorer like look and feel. FTP Wanderer was built for fast FTP browsing of file sites. It can be installed and run directly from a USB device and is less than 250k.