FileZilla Client is a fast and reliable cross-platform FTP, FTPS and SFTP client with lots of useful features and an intuitive graphical user interface. 

FileZilla is easy to use and available in many languages. FileZilla is open source software distributed free of charge under the terms of the GNU GPL; you will find documentation on how to compile FileZilla and nightly builds for multiple platforms in the development section.

Key features:

• supports IPv6, supports resume and transfer of large files>4GB.
• Powerful Site Manager and transfer queue.
• Configuration transfer speed limits.
• Filename filters; Network configuration wizard.
• Remote file editing and search.
• HTTP/1.1, SOCKS5 and FTP-Proxy support.
• Synchronized directory browsing.