Open Source Alternatives to Datadog

Grafana

Open-source analytics and monitoring platform

★ 71,973 Updated: Feb 2026 Status: Slowing

Cortex

Horizontally scalable Prometheus

★ 5,739 Updated: Feb 2026 Status: Slowing

CheckMK

Comprehensive IT monitoring solution

★ 2,165 Updated: Feb 2026 Status: Slowing

Prometheus

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

Status: Unknown