Prometheus
Time-series metrics and alerting with PromQL.
Why it is included
CNCF-graduated standard for cloud-native metrics with huge exporter ecosystem.
Best for
Kubernetes and service metrics with Alertmanager.
If you use Windows, Mac, or paid tools
Metrics alternative to Datadog, New Relic, and Splunk metrics slices when you self-host monitoring.
Strengths
- PromQL
- Pull model
- Exporters
Limitations
- Cardinality discipline required
Good alternatives
VictoriaMetrics
Related tools
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Grafana OSS
Dashboards for metrics, logs, and traces with rich plugins.
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Netdata
Per-second metrics, logs, and health alerts for systems and apps.
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Zenith
Zenith - sort of like top or htop but with zoom-able charts, CPU, GPU, network, and disk usage
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System Informer
A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Brought to you by Winsider Seminars & Solutions, Inc. @ http://www.windows-internals.com
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LibreHardwareMonitor
Libre Hardware Monitor is free software that can monitor the temperature sensors, fan speeds, voltages, load and clock speeds of your computer.
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htop
htop - an interactive process viewer