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 you'll find almost every feature you need, all in a free ftp program. There are no popup ads, advertising or spyware and you're never asked or reminded to register. 

Standard features (LE/Lite version) 

Secure SFTP, SSL & HTTPS 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/l's 

Command line support 

FTP/HTTP Proxy, Socks 4&5 support 

Queueing of multiple FTP transfers on multiple sites 

Sessions to save FTP transfers for later resuming 

Recursive uploading, downloading, and deleting 

Optional reconnecting of lost connections 

Legacy SFTP client support and options 

Low memory footprint (~4mb connected - most clients are 8-12mb) 

All this and more for free - Try and find another commercially supported free ftp client with SSL & SFTP (there aren't any!). 

Purchasing a license ($24.95) provides these additional features (Pro Version): 

Fast multiple threaded connection options 

Encryption - decryption of files for extra security 

Zip compression - decompression of files 

Transfer scheduling (schedule unattended transfers) 

File Synchronization 

Use of templates for common or repetitive tasks 

Connect Manager for connecting to high traffic sites 

Additional utilities including Ping & TraceRoute 

Download acceleration (Multi-part downloads) 

IBM Information Exchange (IE) support 

GXS ICS support (in v2) 

Ability to customize screen setup 

External program execution (for AV, etc) 

Email notification of transfer status 

Splash screen delay removed 

Thumbnail image viewing of directories. 

Recursive chmod/timestamp setting, and other advanced options 

Unlimited email support, phone support**, discounts on future products, and free upgrades! 

Limitations: Free for personal and educational use.