GNOME Commander is described as '"two-pane" graphical file manager for the GNOME desktop environment. GNOME Commander aims to fulfill the demands of more advanced users who like to focus on file management, their work through special applications and running smart commands' and is an app in the File Management category. There are more than 50 alternatives to GNOME Commander for a variety of platforms, including Windows, Linux, Mac, Xfce and BSD. The best alternative is Double Commander, which is both free and Open Source. Other great apps like GNOME Commander are Total Commander (Freemium), QTTabBar (Free), Midnight Commander (Free, Open Source) and Dolphin File Manager (Free, Open Source).
SpaceFM is a multi-panel tabbed file and desktop manager for Linux with built-in VFS, udev- or HAL-based device manager, customisable menu system, and bash integration. SpaceFM aims to provide a stable, capable file manager with significant customisation capabilities.
RED searches and deletes empty directories recursively below a given start folder and shows the result in a well arranged tree. Further you can create some custom rules for keeping and deleting folders. Empty files in directories can also be ignored.
Caja is a fork of Nautilus from GNOME 2 and is native to the MATE Desktop Environment. It is a file manager like the Windows Explorer (not to confuse with Internet Explorer/Microsoft Edge), but for Unix/BSD and Linux.
Worker is a file manager for the X Window System on UN*X with low requirements (basically only the X11 libraries). The directories and files are shown in two independent panels (similar to Midnight Commander).