Currently kalkun is licensed under GPL-3-or-later. However, kalkun is closely bound to Gammu which is GPL-2-only. Moreover, some of the code/files in kalkun is also under GPL2 license.
For example:
application/plugins/sms_to_twitter/libraries/Epi.php application/plugins/sms_to_twitter/libraries/Twitter.php application/sql/mysql/pbk_gammu.sql
application/sql/pgsql/pbk_gammu.sql
application/sql/sqlite/pbk_gammu.sql
Currently kalkun is licensed under
GPL-3-or-later. However, kalkun is closely bound to Gammu which isGPL-2-only. Moreover, some of the code/files in kalkun is also under GPL2 license.For example: application/plugins/sms_to_twitter/libraries/Epi.php application/plugins/sms_to_twitter/libraries/Twitter.php application/sql/mysql/pbk_gammu.sql application/sql/pgsql/pbk_gammu.sql application/sql/sqlite/pbk_gammu.sql
The problem is that these licenses (
GPL-3-or-later&GPL-2-only) are actually not compatible as per https://www.gnu.org/licenses/gpl-faq.en.html#AllCompatibilityCloses: #505