Kodi is provided under

SPDX-License-Identifier: GPL-2.0-or-later

Being under the terms of the GNU General Public License v2.0 or later, according with

LICENSES/GPL-2.0-or-later

In addition, other licenses may also apply. Please see

https://github.com/xbmc/xbmc/blob/master/README.md

for more details.