COPYING.txt for "tuxpaint-ttf-zh_tw" Traditional Chinese TrueType Font (TTF) for Tux Paint The "zh_tw.ttf" font file is a subset of "wp010-05.ttf" TrueType font. The "wp010-05.ttf" by Hann-Tzong Wang , and located at: http://www.ossacc.org/Download/misc/wangfont The orig-font "wp010-05.ttf" is GPL licensed, so the subset font "zh_tw.ttf" is GPL, too.