GNOME Commander - GNOME Commander is a "two-pane" graphical file manager for the GNOME desktop environment.
Polo File Manager - Software for Linux
CLEX - CLEX is a command-line interface-based file manager for managing and editing project files, no matter where they are stored.
Rodent - Rodent is a project file manager for browsers; it helps you organize your work without saving files locally.
Raysync - Professional high-speed file transmission system, quickly distribute TB-class mass files worldwide.
cryo - A visual file manager