Open Source Alternatives to Datadog

Grafana

Open-source analytics and monitoring platform

Prometheus

The pull-based monitoring system that grew out of Google's internal Borgmon

Sentry

Developer-first error tracking and performance monitoring.

SigNoz

An open-source observability platform alternative to DataDog.

Quickwit

A cloud-native search engine that keeps logs and traces cheap by indexing straight onto object storage.

Cortex

Horizontally scalable Prometheus

Cabot

Self-hosted infrastructure monitoring with PagerDuty-style alerts

CheckMK

Comprehensive IT monitoring solution

Logflare

Centralized structured logging with your own BigQuery backend

Squzy

High-performance monitoring, incident and alerting system in Go