free secure FTP Client with SSL/TLS, SSH/SFTP, HTTPS, resume/retry, IDN.
Editor: Now you can download Core FTP LE - free Windows software 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!
This free, secure FTP client gives you a fast, easy, reliable way to update and maintain your website via FTP. It also provides a secure method (via SSL, TLS, or SFTP) to upload / download files to and from FTP servers. Check out the list of features and youll find almost every feature you need, all in a free ftp program. There are no popup ads, advertising or spyware and youre never asked or reminded to register.

features include:
-Secure SFTP & SSL support
-International Domain Support
-Fast and secure client transfers
-HIPAA compliant security
-Mode Z compression
-User-friendly interface(s)
-Site to Site file transfers
-FULL drag and drop support
-Start/stop/resume of transfers
-Auto retry of failed transfers
-Transfer bandwidth control
-Browser integration
-File masking (wildcards)
-Keep Alive functionality
-Remote file searching
-File permissions (CHMOD)
-Advanced directory listings
-.htaccess & .htpasswd editing
-One Click transfers
-Keep Alive functionality
-Automatic S/Key support
-Favorites via menu & drop down
-Desktop shortcuts & drop u/ls
-Command line support
-FTP/HTTP Proxy, Socks 4&5 support. you can free download Core FTP Lite 2.1.1649 now.