It appears that Fontographer font utility supports import of TrueType fonts (.ttf) and can use them in making whole font databases (.fog) unique to the program. It is unlikely any other font manager can produce these .fog database.
Convert TrueType font to Fontographer font database file.
We have found 2 software records in our database eligible for .ttf to .fog file format conversion.
Microsoft Windows software - convert ttf to fog on Windows
The Fontographer allows users to generate PostScript-language Type 1 fonts, Type 3, TrueType, OpenType and Multiple Master fonts available for Apple Mac and Microsoft Windows.
Convert from ttf file
to fog file
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned ttf to fog. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert ttf to fog on OS X
Fontographer is a Mac app used to design new typefaces and to customize existing fonts. The result will be high-quality fonts that can reliably work across different operating systems.