Sketch - Professional digital design for Mac.
NexusFont - Choose and manage your fonts with Nexus Font.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Font Viewer - Font Viewer is an application which does exactly that - it views fonts!
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Font Manager - Simple font management for GTK+ desktop environments