From KDE UserBase Wiki
    Multiple transfers
      Powerful graphical FTP client

    This application is not maintained anymore. But you can use Dolphin instead. Dolphin can with the help from KIO access and explores a ftp server, like any other file system. You can also use the split view feature from Dolphin to view your local and remote file in the same windows.


    • Multiple simultaneous FTP sessions in separate tabs
    • A tree-oriented transfer queue
    • Site bookmarks with many options configurable per-site
    • Bookmark import plugins from other FTP clients
    • Ability to limit upload and download speed
    • Direct viewing/editing of remote files
    • One-time password (OTP) support using S/KEY, MD5, RMD160 or SHA1
    • Traffic graph available

    and much more.

    The Bookmark Editor

    Get more details from the Project Page