README.txt

From the Noto Sans Thai UI download.

Noto Sans Thai UI
=================

Designer: Google
License: SIL Open Font License 1.1 (see OFL.txt)
Styles: 1
Source: https://fonts.google.com/specimen/Noto+Sans+Thai+UI

Noto is a global font collection for writing in all modern and ancient
 languages. Noto Sans Thai UI is an unmodulated (“sans serif”) design in
the
 more modern, loopless variant of the Southeast Asian Thai script,
 suitable for app and website user interfaces in the Thai script. It has
 multiple weights and widths, and 140 glyphs.

This font is free to use, share and modify under its license.
Downloaded from FontCart: https://www.fontcart.com