The Prometheus Node Exporter is an open-source time-series monitoring and alerting system for cloud-native environments, including Kubernetes, hosted by the Cloud Native Computing Foundation (CNCF) on GitHub.

WebUI for smartd S.M.A.R.T HDD monitoring.

Prometheus is an open-source tool for collecting metrics and sending alerts. It was developed by SoundCloud.

Uptime Kuma is an easy-to-use self-hosted monitoring tool.

Grafana is the open source analytics & monitoring solution for every database.

Telegraf is a server-based agent for collecting and sending all metrics and events from databases, systems, and IoT sensors.

InfluxDB is the time series platform for developers.
Made for developers to build time-series-based applications quickly and at scale.