Zabbix Synology spk for differents models. Please have a look on different branchs for latest Zabbix version
It consists of Zabbix server, and Zabbix agent and uses the Synology supplied mysql/mariadb datbase server. Please ask in case your package is not available.
Current branch is 4.4.0 https://www.zabbix.com/whats_new_4_4
https://www.zabbix.com/events/zabbix_summit_2019
Live from Zabbix https://www.youtube.com/user/ZabbixSIA