Suitcase Fusion version 21.1 added a list view in the Suitcase Fusion main window.
To open the list view, click the Show List View button in the toolbar or choose View > Show Font List. To close the list view, click the Hide List View button in the toolbar or choose View > Hide Font List.
To group the fonts in the font list into collapsible sections by family, make sure the Group Fonts by Family option in the View menu is checked.
To view the fonts as a flat list, uncheck Group Fonts by Family.