The most popular alternative is AFDKO, which is free. If that doesn't suit you, our users have ranked 4 alternatives to FontDoctor so hopefully you can find a suitable replacement. Other interesting FontDoctor alternatives are Microsoft Font Validator (Free), Apple Font Tool Suite (Free) and Microsoft Typography (Free).
- 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.
- A tool that evaluates how closely a TrueType or OpenType font adheres to the current font format specification, as well as whether the font meets basic recommendations and...
- 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.
- Internal tools developed at Microsoft for manipulating and creating OpenType and TrueType font files. Used in development of new font toolsets and fonts.