CoreFM is a free and open source file manager application for Linux. It is a light weight easy to use file manager software. It comes with split view, image previews, hidden files and folders support, mime-icon support, auto-mounting of removable media, drag-n-drop and more. It is released under GNU General Public License v3.0 only.
How to install CoreFM on Ubuntu Linux
You can install CoreFM file manager via flatpak package file from the remote flathub. First install the latest flatpak and flathub on your system and restart it after the installation.
Now in your terminal app (ctrl+alt+t) run below CoreFM flatpak install command. It will install the latest version of CoreFM on your system.
flatpak install flathub org.cubocore.CoreFM
And open CoreFM using below command.
flatpak run org.cubocore.CoreFM
And you can also uninstall it using below commands.
flatpak uninstall org.cubocore.CoreFM
sudo flatpak uninstall org.cubocore.CoreFM