SigNoz

SigNoz is an open-source, OpenTelemetry-native observability platform for logs, metrics, and traces with AI-assisted analysis.

Overview

SigNoz is an open-source alternative to commercial APM tools, built natively on OpenTelemetry. It covers metrics, logs, and traces in one pane, with dashboards, alerting, and service maps, and can be self-hosted or used as a managed cloud. Its query builder and ClickHouse-backed storage make high-volume telemetry fast and affordable, and AI features help summarize traces and suggest investigation paths. Teams choose SigNoz to escape vendor lock-in and per-host pricing while keeping full data ownership.

SigNoz represents the open-source answer to observability lock-in: unified metrics, logs, and traces built on OpenTelemetry, backed by ClickHouse for fast queries at high volume. Self-hosting means full data ownership and zero licensing fees — attractive for cost-sensitive and privacy-conscious teams — while the managed cloud offers the same stack without operational burden. Dashboards, service maps, and distributed tracing cover standard APM workflows, and alerting with anomaly detection handles operational watch. The team experience is DIY-adjacent: self-hosters should expect tuning and upkeep, though the community is active and the docs mature. For engineering teams with platform capability and strong opinions about vendor independence, SigNoz delivers credible APM economics that proprietary suites structurally cannot match.

Key Features

• Open-source observability with metrics, logs, and traces unified
• OpenTelemetry-native ingestion with no proprietary agents required
• ClickHouse-powered fast queries over high-volume telemetry
• Dashboards, service maps, and end-to-end distributed tracing
• Alerting with anomaly detection and flexible notification channels
• Self-host or managed cloud options with data ownership

Pricing

SigNoz is free to self-host with no license fees, while its managed cloud is usage-based with a free tier and plans scaling by data volume. Enterprise support and features are available for production deployments.

Who Is It For

It is built for engineering and DevOps teams that want Datadog-class observability without proprietary lock-in or per-host pricing. It is ideal for organizations with in-house platform capability and cost sensitivity.

FAQ

Is SigNoz free to use?

Yes. SigNoz is open source and free to self-host, which is its core appeal. The managed cloud offers a free tier with usage-based paid plans for teams that prefer not to operate the stack themselves.

Does SigNoz offer an API?

Yes. SigNoz is built on OpenTelemetry standards and exposes APIs for metrics, logs, and traces ingestion plus query and dashboard automation. This makes it straightforward to embed in CI/CD and platform workflows.

How does SigNoz compare to alternatives?

Compared with Datadog or New Relic, SigNoz is dramatically cheaper at scale with full data ownership. Versus Grafana-based stacks, it delivers a more unified, purpose-built APM experience while remaining open source.