Open Source Alternatives to Datadog
A monitoring platform that provides end-to-end visibility into infrastructure, applications, logs, and security, enabling real-time performance tracking, alerting, and analytics across cloud environments.
Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Datadog give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 15 open source alternatives to Datadog. The most popular are NetData, Grafana and Sentry. Most use the AGPL-3.0 or Apache-2.0 license, and 13 offer an official Docker image.
NetData
Real-time infrastructure monitoring with per-second metrics and automatic discovery for servers, containers, and cloud environments.
Grafana
An observability platform for querying, visualizing, and alerting on metrics stored across multiple different data sources.
Sentry
An error tracking and performance monitoring platform that helps developers detect and resolve software issues through debugging.
SigNoz
Collects and correlates logs, metrics, and traces in a single interface for microservices observability and troubleshooting.
OpenObserve
Manage logs, metrics, and traces within a single observability platform using SQL and PromQL queries.
HyperDX
An observability platform that unifies logs, traces, metrics, and session replays on top of ClickHouse clusters.
Highlight
Full stack monitoring platform providing session replay, error tracking, and server side logging for web applications.
Coroot
An observability platform that uses eBPF to collect metrics, logs, and traces without requiring manual code instrumentation.
OneUptime
Monitors uptime, performance, and incidents while providing status pages and on‑call alerting in one platform
Logfire
Observability platform for Python applications that integrates logs, metrics, and traces using OpenTelemetry and SQL queries.
Uptrace
An OpenTelemetry based observability platform that integrates distributed tracing, metrics, and logs for monitoring complex systems.
Icinga
Monitor network resources and cloud environments to track availability, notify users of outages, and generate performance data.
Nagios
Monitors network services, host resources, and infrastructure health with a plugin system for custom service monitoring methods.
Gigapipe
Collect, store and query logs, metrics, traces and profiles using native Loki, Prometheus and Tempo APIs.
Tirreno
A security framework for detecting threats, fraud, and abuse through event ingestion and risk scoring.
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