Microsoft Font Validator - A tool that evaluates how closely a TrueType or OpenType font adheres to the current font format...
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
Apple Font Tool Suite - A suite of tools for working with font files.
Autodesk Maya - Maya is 3D computer animation software with powerful modeling, rendering, simulation, texturing, and animation tools for artists, modelers, and animators.