PCMan Lightweight Alternative File Manager

PCMan File Manager (or PCManFM) is a lightweight alternative to GNOME’s Nautilus file manager or Konqueror/Dolphin in KDE. I found it to be an excellent option for more sophisticated GNOME users, as well as those with slower computers.

PCManFM’s main features are tabbed browsing similar to a web browser’s (which Nautilus will be getting soon), a clean interface, and high speed. PCManFM’s interface looks similar to Nautilus, but more compact with smaller toolbars and icons: