FileZilla 3 is the next generation (S)FTP-client from the FileZilla project. It is platform independent and supports operating systems like Microsoft Windows, GNU/Linux, *BSD and Mac OS X.

Easy to use
Supports FTP, FTP over SSL/TLS (FTPS) and SSH File Transfer Protocol (SFTP)
Cross-platform. Runs on Windows, Linux, *BSD, OSX and more
IPv6 support
Available in many languages
Supports resume and transfer of large files >4GB
Powerful Site Manager and transfer queue
Drag & drop support
Configurable Speed limits
Filename filters
Directory Comparison
Network configuration wizard
The ability to use Notepad or any other program to edit a file online (the real action behind the scenes: downloading it to a temporary place and re-uploading it upon saving)
HTTP/1.1, SOCKS5 and FTP Proxy support

Bugfixes and minor changes:
Aborting a previous connection attempt by establishing a new connection in the same tab no longer renderes the new connection unusable
*nix: Quote filenames containing spaces if editing using default editor for text files
*nix: Fix crash while emitting queue finished notifications

Download links:

http://www.megaupload.com/?d=UP2STNOL