different types of fonts
Computer Science. There are several different types of fonts that make up the majority of the fonts found today. The three main types are OpenType fonts, TrueType fonts, and Postscript (or Type 1) fonts. Graphic designers need to be aware of the type of fonts they are using because of compatibility issues.
Unicode fonts. This is a list of Unicode fonts showing the number of characters/glyphs included for the released version, and also showing font's license type: Alphabetum (shareware, includes a few SMP character blocks.