http://i.imgur.com/RcNym3S.jpg

PopChar.X.v7.0.Multi.MacOSX.Incl.Keymaker-CORE | 4.2 MB

Most of your fonts contain thousands of characters, many more than you can access from the keyboard.
If you want to get the most out of your fonts, then PopChar is the right tool for you.
PopChar makes “typing” of unusual characters easy without having to remember keyboard combinations.