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
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...
ZBrush - ZBrush is a digital sculpting and painting software solution.
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.