FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.
XYplorer - File Manager for Windows