Font Viewer - Font Viewer is an application which does exactly that - it views fonts!
What Font Is - Find any font from any image (commercial or free)
NexusFont - Choose and manage your fonts with Nexus Font.
Font Manager - Simple font management for GTK+ desktop environments
FontScanner - FontScanner is an application that helps you to find any font name, type, size, color, and family.
What Font – find font - What Font – Find Font is an application that enables you to find the font name, color, style, family, size, and position on any website or webpage by just clicking the paragraph or sentence under study.