Core FTP LE is a free Windows application that includes the client FTP features you need. Features like SFTP (SSH), SSL, TLS, IDN, browser integration, site to site transfers, FTP transfer resume, drag and drop support, file viewing & editing, firewall support, custom commands, FTP URL parsing, command line transfers, filters, and much, much more!

FileZilla Portable is the popular FileZilla FTP client packaged as a portable app, so you can take your server list and settings with you. You can place it on your USB flash drive, iPod, portable hard drive or on a CD and use it on any computer, without leaving any personal information behind.