> In my project, I'm using SDL_TTF, which is a wrapper library for
> FreeType. On credits for 3rd party libraries, I only mention 'SDL
> and its extensions', which SDL_TTF is 1 of them. Is this enough for
> you, or should I mention FreeType explicitly?
Good question. If your project uses the GPL (or something compatible
to GPL3), everything's fine. Otherwise, you have to ensure that you
follow the licenses of *all* components in your project, including the
ones that are only used indirectly.
In other words, for closed-source projects you have to credit FreeType
(and probably other projects, too).
Werner