Luna Sans ("Moon" in several European languages) is based on Alegreya Sans from Huerta Tipográfica. This is Alegreya Sans, with lining figures instead of oldstyle ones. Update v2.1: now with Pan-European language support, and with 7 weights.
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 2013 The Alegreya Sans Project Authors (https://github.com/huertatipografica/Alegreya-Sans), Copyright (c) 2016-2017 Cristiano Sobral ([email protected]).