The SIL Open Font License

Roboto
Open Font License

Roboto[wdth,wght].ttf: Copyright 2011 The Roboto Project Authors (https://github.com/googlefonts/roboto-classic)

Roboto-Italic[wdth,wght].ttf: Copyright 2011 The Roboto Project Authors (https://github.com/googlefonts/roboto-classic)