What are some alternatives?
When comparing FontStruct and Fontself Maker for Photoshop, you can also consider the following products
FontForge - Free (libre) font editor for Windows, Mac OS X and GNU+Linux
Type Anything - Test & create the perfect typography setup for your website
BirdFont - Birdfont is a free font editor which lets you create vector graphics and export TTF, OTF, EOT and...
My Script Font - Make a font with your own handwriting
FontLab VI - font creation and editing, including variable fonts and color fonts
Webfont - Easily create and maintain custom SVG icon fonts