Font Forge - An outline font editor that lets you create your own postscript, truetype, opentype, cid-keyed, multi-master, cff, svg and bitmap fonts, or edit existing ones. [Open Source]
Fontlab - Our font editor tools let you do anything that is possible to do with a font. It is the comprehensive solution for font foundries, professional type designers, typographers, and graphic design studios. [Commercial]
High Logic - This professional font editor allows you to create and edit TrueType and OpenType fonts. You can download our software freely and try it out before you buy it. [Trialware]
Softy - Allows you to create and update TrueType and bitmap fonts. Supported bitmap font formats are at present Windows FON and FNT, and LaserJet SFP and SFL soft fonts. [Shareware]