Euro-Office is based on ONLYOFFICE DocumentServer, originally developed
by Ascensio System SIA (https://www.onlyoffice.com/).

The original source code is available at:
https://github.com/ONLYOFFICE

ONLYOFFICE DocumentServer is licensed under the GNU Affero General
Public License v3.0 (AGPL-3.0). See the LICENSE file for the full
license text.