AFDKO is a collection of command-line tools used at Adobe for manipulating and creating OpenType font files. Can verify structures, and table entries and their checksums.
make-font-bolder Alternatives
make-font-bolder is described as 'Small script based on FontForge that can create many bold variations (=weighted) of a given font' and is an app in the development category. There are four alternatives to make-font-bolder for Windows, Mac and Linux. The best make-font-bolder alternative is AFDKO, which is free. Other great apps like make-font-bolder are Private Character Editor, Microsoft Typography and Apple Font Tool Suite.
Alternatives list
(Windows built-in) Using Private Character Editor (PCE), you can create up to 6,400 unique characters (such as special letters and logos) for use in your font library. PCE contains basic tools for creating and editing characters, along with more advanced options.

Internal tools developed at Microsoft for manipulating and creating OpenType and TrueType font files. Used in development of new font toolsets and fonts. The tools includes TTFdump, TrueType Open Assembler, Flint, SBIT32, CacheTT, FastFont, and AddTable.
A suite of tools for working with font files. The tools focus on comparing, manipulating, and validating font files that are to be shipped for Apple’s operating systems. Graphical tools includes Blinker, Font Proofer X, and MorxTester.








