GNOME Commander is a fast and powerful graphical filemanager for the GNOME desktop environment, it has a two-panel interface in the tradition of Norton and Midnight Commander. Great for comparing the contents of two different folders or networked systems.
PCMan File Manager is a gtk2 based file manager. Very fast and lightweight it includes Tabbed browsing, Drag and Drop, Files can be dragged among tabs, thumbnail support, bookmarks support, standard compliant, and has a very user-friendly interface.
Thunar is the lightweight file manager designed as the default file manager of Xfce 4.4. It has been designed to be fast, intuitive, and very easy to use. Integrates best into Gnome, Xfce,, and other gtk environments as a powerful alternative to more robust file managers.
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GNOME Commander is a fast and powerful graphical filemanager for the GNOME desktop environment, it has a two-panel interface in the tradition of Norton and Midnight Commander. Great for comparing the contents of two different folders or networked systems. 
PCMan File Manager is a gtk2 based file manager. Very fast and lightweight it includes Tabbed browsing, Drag and Drop, Files can be dragged among tabs, thumbnail support, bookmarks support, standard compliant, and has a very user-friendly interface.
Thunar is the lightweight file manager designed as the default file manager of Xfce 4.4. It has been designed to be fast, intuitive, and very easy to use. Integrates best into Gnome, Xfce,, and other gtk environments as a powerful alternative to more robust file managers.
