Gnome Font Viewer is described as 'A font viewer utility for GNOME'. There are more than 10 alternatives to Gnome Font Viewer for a variety of platforms, including Windows, Mac, Online / Web-based, iPhone and iPad. The best alternative is NexusFont, which is free. Other great apps like Gnome Font Viewer are FontBase (Freemium), Font Manager (Free, Open Source), Typeface 2 (Paid) and FontExpert (Paid).
Nexus Font is a font manager for Windows . If you have many fonts and you need to choose fonts you want, this program is for you. You can compare many fonts at once. And there are useful functions to manage font files.
Typeface is a wonderful font manager for macOS that helps you pick the perfect type for your designs. A minimal interface and total focus on your fonts makes browsing your collection exciting and easy.
FontExpert Font Manager enables you to preview and manage both installed and uninstalled typefaces, plus examine your system for font errors. You can display the list of installed font faces, customizable font samples and advanced font properties.
FontViewOK creates a quick visual overview of any 2 fonts for comparison. Change font formats in the comparison window. Enter your own text for comparison. Optional single pane to view longer samples. Features: # Quick overview and comparisons of all fonts.
Manage all of your fonts from one source, no matter how many you have—including your system fonts, purchased fonts, fonts synced from Adobe Typekit, Google Fonts, and more. Turn them on and off as you need.