FTP Synchronizer - Secure and high performance FTP File Sync product
Polo File Manager - Software for Linux
GNOME Commander - GNOME Commander is a "two-pane" graphical file manager for the GNOME desktop environment.
Rodent - Rodent is a project file manager for browsers; it helps you organize your work without saving files locally.
Thunar - Thunar is a modern file manager for the Xfce Desktop Environment.
cryo - A visual file manager