Sarabun is an open source multi-script webfont that supports both Latin and Thai. It is the "TH Sarabun New" font, made available under the Open Font License. The name "Sarabun" (สารบรรณ, RTGS: Saraban) means documentary affairs. The font is used in the Government Gazette of Thailand newspaper, and you can read more details about this font project on Wikipedia's National Fonts page.
This Font Software is licensed under the SIL Open Font License, Version 1.1. This license is available with a FAQ at: http://scripts.sil.org/OFL
Copyright 2018 The Sarabun Project Authors (https://github.com/cadsondemak/Sarabun)