All swift software programs are licensed under a modified GPL v3 liense. You can find the details here
The following terms apply to all swift programs:
swift pilot client suite
Copyright (C) 2016, 2017, 2018  swift Team

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program 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
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see http://www.gnu.org/licenses/.
and
swift pilot client suite
Copyright (C) 2016, 2017, 2018  swift Team

This program comes with ABSOLUTELY NO WARRANTY; for details see
see here https://datastore.swift-project.org/page/legal.php.

This is free software, and you are welcome to redistribute it
under certain conditions; for details 
see here https://datastore.swift-project.org/page/legal.php.
For the copyright of our data (ie. the data in the database and caches) see the terms here.