Prometheus is an open-source software application used for event monitoring and alerting. It records metrics in a time series database built using an HTTP pull model, with flexible queries and real-time alerting.
Grafana is a multi-platform open-source analytics and interactive visualization web application. It provides charts, graphs, and alerts for the web when connected to supported data sources.
Netdata is a distributed, real-time, performance, and health monitoring platform for systems, hardware, containers, and applications, collecting thousands of useful metrics with zero configuration needed.
