Free and open first
Best Observability Platforms in 2026
Understanding system behavior depends on the signals and monitoring functions available to you. Compare telemetry types and data retention to see what information an observability platform covers and keeps. Log search and distributed tracing offer different ways to investigate behavior, while synthetic monitoring adds another listed capability to weigh. Pricing model, free-plan availability, and paid-from details provide a basis for considering access and cost. Dynatrace Kubernetes Monitoring, Middleware, and Grafana Cloud Application Observability are among the options shown, alongside New Relic Kubernetes Monitoring and OpenSearch. Consider which signals and functions fit the systems you need to observe.
- 30 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
HyperDX
Free plan Open source APILinuxSelf-hosted+1HyperDX combines several production signals with search, visualization, alerts, and linked session replays.
- 2
Uptrace
Free plan Open source APILinuxMac+3Uptrace offers flexible analysis and deployment options for OpenTelemetry data, from a free Cloud plan to self-hosted editions.
- 3
Elastic Observability
by Elastic ObservabilityFree plan APILinuxMac+3Elastic Observability combines telemetry analysis, monitoring, and deployment options, with usage-based Serverless rates listed by data type.
- 4
Grafana Cloud Application Observability
Free plan AndroidAPIExtension+5Grafana Cloud Application Observability brings several telemetry types and service-level views together for application investigation.
- 5
Axiom
Free plan APIWebChoose Axiom if you want a cloud platform that brings logs, traces, metrics, and events together, with a permanent free Personal plan for individual developers and small projects.
- 6
Honeycomb
Free plan AndroidAPIiPhone+2Honeycomb combines telemetry ingestion with investigation tools for tracing and related data. Free has stated monthly data allowances; larger deployments can consider Pro or custom Enterprise plans.
- 7
groundcover
by groundcoverFree plan LinuxSelf-hostedWebgroundcover combines eBPF-based telemetry collection with cloud and on-premises deployment options. Compare the retention, support, and per-host plan details with your monitoring needs.
- 8
KloudMate
Free plan AndroidAPIiPhone+2KloudMate brings a broad set of monitoring and incident-response tools together, with OpenTelemetry ingestion across plans.
- 9
Maple
Free plan APIiPhoneLinux+3Maple brings distributed traces, structured logs, metrics and browser session replay into one observability platform.
- 10
Middleware
Free plan AndroidAPIExtension+5Middleware covers a broad set of monitoring and observability products, with a free plan and a usage-billed option. Check the plan limits and retention period against your needs.
- 11
Last9 Logs
by Last9 LogsFree plan APISelf-hostedWebLast9 Logs combines log search and processing with links to related telemetry, monitoring, and data controls.
- 12
OpenSearch
by OpenSearchFree plan APILinuxMac+3OpenSearch provides a free search and analytics suite with ingestion, visualization, and machine-learning capabilities.
- 13
SigNoz
Free plan AndroidAPIiPhone+2SigNoz brings monitoring signals, querying, alerting, dashboards, and tracing into one observability tool.
- 14
Sematext Monitoring
Free plan LinuxWebWindowsChoose Sematext Monitoring if you need broad infrastructure coverage, service integrations, and alerting across Linux, Windows, and cloud environments.
- 15
- 16
Grafana Alerting
Free plan LinuxMacWeb+1 - 17
OpenObserve
Free plan WebOpenObserve brings pipeline processing, parsing, live viewing and archive export together for log work.
- 18
Anteon
Free trial APILinuxMac+2Choose Anteon if Kubernetes monitoring and performance testing need to sit in one platform, especially when its service map, Postman import, or deployment choices suit your workflow.
- 19
Chronosphere Application Observability
Free trial APILinuxMac+2Chronosphere combines service views, telemetry correlation, and tracing for cloud-native systems. Budgeting requires a direct pricing discussion, and pilots beyond the typical scope may have a cost.
- 20
New Relic Session Replay
Free plan AndroidiPhoneWebNew Relic Session Replay is offered as part of a wider telemetry and monitoring platform, with access varying by plan.
- 21
Dash0
Free trial APISelf-hostedWebDash0 brings correlated telemetry, service maps, and triage into an OpenTelemetry-native APM offering. Review the listed usage-based charges and trial terms when considering it.
- 22
Coralogix APM
Free trial APIWebCoralogix APM combines OpenTelemetry-based monitoring with service maps, profiling, and connections between traces and logs.
- 23
LogicMonitor
Free trial APILinuxWeb+1Choose LogicMonitor if your team needs infrastructure monitoring across hybrid environments, with broad coverage, integrations, and AI-assisted alerting.
- 24
Observe
Free trial APILinuxMac+2Observe combines telemetry collection, distributed tracing, integrations, and AI-assisted incident work in one platform.
- 25
SolarWinds Observability
Free trial APILinuxSelf-hosted+2SolarWinds Observability covers multiple monitoring domains in one service, with deployment choices and integrations for common application and database technologies.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
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