Opcion Font Viewer is described as 'Opcion font viewer is a free and open source font viewer written in Java. It allows you to view both installed and uninstalled fonts and makes selecting the right font for your project quick and easy'. There are more than 10 alternatives to Opcion Font Viewer for Windows, Mac, Linux and PortableApps.com. The best alternative is BabelMap, which is free. Other great apps like Opcion Font Viewer are Character Map (Free), WinCompose (Free, Open Source), PopChar (Paid) and Font Viewer (Free).