Mostly written in C
License: BSD-3-Clause, common_development_and_distribution, gpl, MirOS, lgpl
Mostly written in Python
License: Bitstream_Vera_Fonts_Copyright, cc-by-3, ccbysa3-0, GNU_General_Public_License_v2_0_only, GPL-2_0-with-font-exception, gpl3, MirOS, mit, OFL-1-1