What monitoring for the server is better to choose?

Question

linux

Advise stable and functional monitoring of servers
As for me, the most advanced now is Zabbix, Nagios and Munin (Sort by priority)
What can you tell me, are there any other worthy analogues that are worth looking at?

Answer 1

zabbix if you need alerts and it's somehow fresher than nagios
munini more like just drawing graphs and not monitoring

Answer 2

netdata is a good system for real-time monitoring

Answer 3

zabbix is ​​a good thing

Answer 4

zabbix is ​​simple, monitor notification graphs, low entry threshold. Ready templates. Agents on linux and windows