BirdFont - Birdfont is a free font editor which lets you create vector graphics and export TTF, OTF, EOT and...
Scanahand - Scanahand makes it easy to create Windows Truetype fonts from your handwriting.
FontCreator - This professional font editor allows you to create and edit TrueType and OpenType fonts.
My Script Font - Make a font with your own handwriting
Glyphs - Make everything from dingbat webfonts to full-fledged text typefaces in the most Mac-like font...
FontLab VI - font creation and editing, including variable fonts and color fonts