Netdata
Per-second metrics, logs, and health alerts for systems and apps.
Why it is included
Real-time infrastructure monitoring with per-second metrics, ML anomaly detection, and AI troubleshooting. Open source, #1 on GitHub. Cut MTTR by 80%.
Best for
Homelabs and fleets needing low-overhead observability.
Strengths
- Open source
- High community visibility
Limitations
- Verify license and support model for your use case
Good alternatives
Related tools
Monitoring & Observability
Prometheus
Time-series metrics and alerting with PromQL.
Monitoring & Observability
Grafana OSS
Dashboards for metrics, logs, and traces with rich plugins.
Monitoring & Observability
Elastic APM
APM server ingesting agent data into Elasticsearch.
Monitoring & Observability
Sentry
Error and performance monitoring for apps and backends.
Monitoring & Observability
Zenith
Zenith - sort of like top or htop but with zoom-able charts, CPU, GPU, network, and disk usage
Monitoring & Observability
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