Used open-source software
System is distributed with Oracle JRE (full licence can be found on http://www.oracle.com/technetwork/java/javase/terms/license/index.html).
System is based on open-source software. Software and its licenses can be found on https://www.debian.org/.
This product includes GeoLite2 data created by MaxMind Inc., available from http://www.maxmind.com/.