qFSView is a free and open source storage visualization app for Linux. Using this you can view your system storage utilisation as a treemap charts and helps you to view which files are taking the most space in your system. It is released under GNU General Public License v2.0 license and a fork of KDE Konqueror plugin FSView. You dont need to install KDE dependencies to use this app. You can navigate each folder by clicking on a rectangle and right click to open the qFSView menu. Some of its features are colour modes, visualisation modifications and annotations for names, types, sizes.
Install qFSView Storage Visualization app on Ubuntu
qFSView available as a snap app. You can easily install it via your terminal. Open your terminal app (Ctrl+Alt+T) and run this qFSView snapp installation command.
sudo snap install qfsview
Then enter your Ubuntu password to confirm the installation. It will install qFSView Storage Visualization appon Ubuntu. You can start qFSView Storage Visualization app by clicking the show applications in the Ubuntu Gnome dock and type qfsview in the search box and click qfsview. Or in terminal run this command.