FontDoctor
FontDoctor is the industry standard software for fixing font problems and organizing font files. Easily locate and eliminate hard-to-find font problems that wreak havoc on computer performance and applications. Diagnostic tool.
AFDKO
AFDKO is a collection of command-line tools used at Adobe for manipulating and creating OpenType font files. Can verify struct ...
Apple Font Tool Suite
A suite of tools for working with font files. The tools focus on comparing, manipulating, and validating font files that are t ...
Microsoft Font Validator
A tool that evaluates how closely a TrueType or OpenType font adheres to the current font format specification, as well as whe ...
Microsoft Typography
Internal tools developed at Microsoft for manipulating and creating OpenType and TrueType font files. Used in development of n ...