18.8
Checkmk monitors cloud, hybrid, and data center infrastructure, including containers, networks, and web, mail, and database servers.
Free planOpen sourceAndroidiOSWeb
Best Metrics Monitoring Tools in 2026
Keeping service and infrastructure measurements useful depends on what you collect, how long you keep it, and how you query it. Netdata, Dynatrace Kubernetes Monitoring, and InfluxDB are options to compare on data ingestion, custom metrics, and retention. Query language and SLO tracking offer further ways to assess how each tool supports your monitoring approach. Check whether a self-hosted option matters for your…
28.7
Netdata is an observability platform for monitoring infrastructure and investigating problems in real time.
Free planOpen sourceAndroidiOSWeb
38.4
Grafana Cloud Application Observability is a cloud application monitoring product that uses OpenTelemetry and Prometheus data to help software…
Free planAndroidiOSWeb
- 4
Nagios XI
Nagios XI is monitoring software installed on a Linux server you own.
Free planWebAPILinuxmacOS8.1$2,595 one-time - 5
SigNoz
SigNoz is an open-source observability tool for monitoring applications and infrastructure.
Free planAndroidiOSWebAPI7.6From $19 a month - 6
Amazon CloudWatch Logs
Amazon CloudWatch Logs collects and stores logs from AWS services and resources, applications, on-premises systems, and other clouds.
Free planWebAPI7.5$0.03 usage-based - 7
Chronosphere Application Observability
Chronosphere Application Observability is a cloud service for observing cloud-native applications and microservices so teams can detect and resolve issues.
Free planWebAPILinuxmacOS7.4Free plan - 8
InfluxDB
InfluxDB is a time series database and platform for high-frequency data recorded with timestamps.
Free planWebAPILinuxmacOS7.4$0.01 usage-based - 9
VictoriaMetrics
VictoriaMetrics is a time-series database and monitoring solution for collecting, querying, and retaining metrics, within a wider stack that also covers logs and traces.
Free planWebAPILinuxmacOS7.4From $200 a month - 10
Icinga
Icinga monitors infrastructure and applications, collecting and analyzing data to help teams identify and resolve errors.
Free planWebAPILinuxSelf-hosted7.3From $2,000 a year - 11
groundcover
groundcover is a cloud-native observability platform for monitoring production environments.
Free planWebLinuxSelf-hosted7.1From $30 a month - 12
Azure Monitor
WebAPILinuxmacOS7.0 - 13
Grafana Alerting
Free planWebLinuxmacOSWindows6.8$0.03 usage-based - 14
LogicMonitor
LogicMonitor Envision brings metrics, logs, events, and traces together to monitor and troubleshoot infrastructure.
WebAPILinuxWindows6.8From $16 a month - 15
Google Cloud Monitoring
Google Cloud Monitoring provides visibility into the performance, availability and health of applications and infrastructure.
WebAPILinuxWindows6.7From $0.06 a month - 16
Datadog Infrastructure Monitoring
Free planWebLinuxmacOSWindows6.6From $15 a month - 17
Prometheus
Prometheus is a free, open-source systems monitoring and alerting toolkit.
Free planWebLinuxmacOSSelf-hosted6.6Free plan - 18
SolarWinds Hybrid Cloud Observability
SolarWinds Hybrid Cloud Observability is a self-hosted platform for monitoring hybrid IT, now named SolarWinds Observability Self-Hosted.
WebLinuxSelf-hostedWindows6.6From $8 a month - 19
Zabbix
Zabbix is an open-source monitoring and observability solution for infrastructure, applications, networks, and services.
WebAPILinuxmacOS6.6 - 20
Grafana k6
Grafana k6 is a load-testing tool for Linux that supports load, stress, browser-based, distributed, and API testing.
Free planLinux6.5$19 usage-based - 21
Sematext APM
Sematext APM is part of Sematext Cloud, combining application and infrastructure monitoring with log management.
WebAPILinuxSelf-hosted6.5From $19 a month - 22
Splunk Observability Cloud
Free planWeb6.5From $15 a month - 23
StatsD
StatsD is a free, open-source network daemon for receiving application metrics, aggregating them, and forwarding results to backend services.
Free planLinuxSelf-hosted6.5Free plan - 24
ScienceLogic SL1
ScienceLogic SL1, now called Skylar One, monitors infrastructure across complex enterprise and government hybrid IT environments.
WebAPISelf-hosted6.4From $5 a month - 25
Google Cloud Managed Service for Prometheus
WebAPILinuxSelf-hosted6.1From $0.50 a month