Are there any other tools to create monitoring dashboards other than MS Visio or SCOM console?

There is Solarwinds and manage engine .. if you ask me i would prefer SolarWinds

Yes, By using Nagios service

yes ,  you can use Nagios service 

Yes.

We have Nagios-For Server & Services MonitoringMonitis-For URL monitoring

Graphana-For Application level monitoring

Kibana-For log monitoring

Well, you can try  Nagios + Centreon

They are free open source softwares