ScienSe is an open source product, protected by the
GNU General Public License (GPL), which allows
the use, modification and/or revision of all the software (including the
GNU Copyleft, or GPL, allows to the creators of a program to conserve their legal authors' rights, but it also allows the others to copy, modify and sell the new resulting program. Nevertheless, when doing it, they cannot limit any similar right to those that obtain the new software. If they sell either the program as it is, or a modification of it, they must provide the source code.
For a greater reference consult the GNU site ( http://www.gnu.org) and the Free Software