Most of the files are :Copyright: This stylesheet has been placed in the public domain. Copyright 2018 Akretion - BenoƮt Guillot Copyright 2020 ACSONE SA/NV () Copyright 2018 Flectra Community Many files also contain contributions from third parties. In this case the original copyright of the contributions can be traced through the history of the source version control system. When that is not the case, the files contain a prominent notice stating the original copyright and applicable license, or come with their own dedicated COPYRIGHT and/or LICENSE file.