| 🧩 | Prometheus Prometheus is a free software application used for event monitoring and alerting. |
| 🧩 | Nagios Nagios, is a free and open-source computer-software application that monitors systems, networks and infrastructure. |
| 🧩 | Datadog Full-Stack Observability For Cloud-Scale Applications And Infrastructure. |
| 🧩 | Splunk Splunk helps capture, index and correlate real-time data in a searchable repository, from which it can generate graphs, reports, alerts, dashboards and visualizations. |