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.

Among others, the features of FileZilla include the following:

    * Easy to use
    * Supports FTP, FTP over SSL/TLS (FTPS) and SSH File Transfer
      Protocol (SFTP)
    * Cross-platform. Runs on Windows, Linux, *BSD, Mac OS X 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
    * Network configuration wizard
    * Remote file editing
    * Keep-alive
    * HTTP/1.1, SOCKS5 and FTP-Proxy support

FileZilla requires wxGTK or wxPython, which are available at SlackBuilds.org.