Qisutu
Open-source ticketing, service desk and CMDB software
...It combines ticket management, customer and agent portals, queues, service and SLA management, automation, reporting, a knowledge base and an integrated CMDB in one self-hosted system. Qisutu supports eleven languages and can be extended through add-ons. The software is designed for organizations that want to operate their ticketing system on their own infrastructure and retain control over their data. Qisutu is licensed under the GNU Affero General Public License v3.0 or later.