These fonts:
LiberationMono-Bold.ttf
LiberationMono-BoldItalic.ttf
LiberationMono-Italic.ttf
LiberationMono-Regular.ttf
LiberationSans-Bold.ttf
LiberationSans-BoldItalic.ttf
LiberationSans-Italic.ttf
LiberationSans-Regular.ttf
LiberationSerif-Bold.ttf
LiberationSerif-BoldItalic.ttf
LiberationSerif-Italic.ttf
LiberationSerif-Regular.ttf
Are released under these licenses:
License.txt
COPYING