#Copyright Licenses Used by PISI Package
The code that is owned by TUBITAK/UEKAE is distributed under GNU General Public License v3.0.
The code that is not owned by TUBITAK/UEKAE is distributed under GNU Affero General Public License v3.0. May your software remain forever free.
PISI has parts licensed under GPL v3.0 and AGPL v3.0, and hence is effectively distributed under AGPL v3.0 which retains stronger terms for protection of programming freedom.