What are some alternatives?
When comparing Eyes Of Network and Datadog, you can also consider the following products
DiamanteDesk - DiamanteDesk is an open-source easy-to-use help-desk solution.
LogicMonitor - LogicMonitor is the SaaS performance monitoring platform for the world's best IT teams. Deploy Fast, Monitor More, Improve Ops.
openITCOCKPIT - openITCOCKPIT is an open source out of the box monitoring framework. It can be installed on Debian based distributions through apt and provides a user friendly web interface where you can create all your hosts and services you like to monitor.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Spiceworks Help Desk - Help desk software features that work for IT
Sumo Logic - Sumo Logic is a secure, purpose-built cloud-based machine data analytics service that leverages big data for real-time IT insights