Bareos
Bareos (Backup Archiving Recovery Open Sourced) is a cross-network Open Source backup solution (licensed under AGPLv3) which preserves, archives, and recovers data from all major operating systems. It includes numerous plug-ins which allow safely backing up and restoring not only files, but also various database servers (PostgreSQL, MariaDB, MySQL, MSSQL), LDAP directory services, cloud storages and virtual machines (VMware, oVirt).
Webseite: https://www.bareos.com