freetypeharfbuzz as a whole is released under GPL-3. The compiled
binaries include:

- The FreeType library distributed under GPL-2 or FTL (see
  https://www.freetype.org/license.html).

- The Harfbuzz library distributed under "Old MIT" licence (see
  https://github.com/harfbuzz/harfbuzz/blob/master/COPYING).
