Hydro Public License
                       Version 1, 13 May 2021

 Copyright (C) 2021 Hydro Develop Team.
 Everyone is permitted to copy and distribute verbatim copies of
 this license document, but changing it is not allowed.

                            Preamble

 This license extends GNU Lesser General Public License Version 3.

                    EXTRA TERMS AND CONDITIONS
 Non-commercial use is unlimited.
 However, if you are using the project for commercial purposes,
 you have to pay for additional license.
 Note: Use this project directly or indirectly to make a profit
 is considered as commercial purposes.