Softy
Softy allows you to create and update TrueType and bitmap fonts. It runs under Windows (3.1, 95, 98, NT), and requires a 386 or better. Supported bitmap font formats are at present Windows FON and FNT, and LaserJet SFP and SFL soft fonts.
BitFontMaker2™
Fast and easy Online Bitmap font Editor.
FontForge
Typeface (font) editor program developed by George Williams. Fontforge is free software and is distributed under the BSD licen ...
TruFont
TruFont is a font-editing application written with Python3, ufoLib, defcon and PyQt5.