Below you can find the general copyright and licensing terms for Enhydris and pthelma. Some source files may also contain copyright and licensing information, and if different, it supersedes the terms presented below.
The software is
Enhydris, pthelma and dickinson are free software: you can redistribute them and/or modify them under the following terms:
The software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the licenses for more details.
You should have received a copy of the licenses along with this program. If not, see http://www.gnu.org/licenses/.
The Enhydris, pthelma and dickinson documentation is
Permission is granted to copy, distribute and/or modify the documentation under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
You should have received a copy of the GNU Free Documentation License along with this program. If not, see http://www.gnu.org/licenses/.
pthelma and the database of Enhydris were originally written by Antonis Christofides of the National Technical University of Athens. dickinson was originally written by Stefanos Kozanis and Antonis Christofides of the National Technical University of Athens. The rest of Enhydris was originally developed by Andreas Loupasakis and Seraphim Mellos of Indifex.
Enhydris was funded by the Ministry of Environment of Greece as part of the Hydroscope project.