Log Analyzers

SigNoz – monitor your applications and troubleshoot problems

SigNoz lets you monitor your applications and troubleshoot problems in your deployed applications.

It’s a single tool for all your observability needs – APM, logs, metrics, exceptions, alerts, and dashboards powered by a powerful query builder.

This is free and open source software.

Key Features

  • Visualise Metrics, Traces and Logs in a single window.
  • View metrics like p99 latency, error rates for your services, external API calls and individual end points.
  • Determine the root cause of the problem by going to the exact traces which are causing the problem and see detailed flamegraphs of individual request traces.
  • Run aggregates on trace data to get business relevant metrics.
  • Filter and query logs, build dashboards and alerts based on attributes in logs.
  • Record exceptions automatically in Python, Java, Ruby, and JavaScript.
  • Easy to set alerts with DIY query builder.
  • Integrations with Slack, PagerDuty, and webhooks to link with any other external services directly for alerting.

Website: signoz.io
Support: GitHub Code Repository
Developer: SigNoz Inc
License: MIT Expat and other open source licenses

SigNoz application metrics
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SigNoz is written in TypeScript and Go. Learn TypeScript with our recommended free books and free tutorials. Learn Go with our recommended free books and free tutorials.


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