Toisto software is licensed using the GNU GPL version 2 or any later version, see the file COPYING.GPL for details. The font DejaVuSans-Bold.ttf is a public-domain modification of the Bitstream Vera fonts, see the file COPYING.VERA for details. The sounds are licensed using the Creative Commons Attribution ShareAlike 3.0, see http://creativecommons.org/licenses/by-sa/3.0/ The following sounds are by Denelson83 of the English Wikipedia: Near-close_near-back_rounded_vowel.ogg Near-close_near-front_unrounded_vowel.ogg Near-open_front_unrounded_vowel.ogg The following sounds are by Peter Isotalo: Alveolar_lateral_approximant.ogg Palatal_approximant.ogg Palatal_lateral_approximant.ogg Voiced_velar_plosive.ogg Voiceless_uvular_plosive.ogg Voiceless_velar_plosive.ogg