Datadog

DevelopmentMonitoring

Full-stack observability — metrics, traces, logs, synthetics and security.

8.4$15/moFree plan

Alternatives

Dashboards, Loki, Tempo and OnCall — the open observability umbrella.

8.8DevelopmentMonitoring

FreeGoObservabilityOpen source

$19/mo

Application monitoring for errors, traces and session replay.

9.0DevelopmentMonitoring

FreeJavaScriptPythonTypeScriptObservability

$26/mo

Git hosting, pull requests, Actions and the default home for open source.

9.4DevelopmentGit

Free

$4/mo

Guides for recreating databases, browsers, Git and other systems from scratch.

DevelopmentLearning

FreeOpen sourceLearning

Fancy self-hosted monitoring tool. Status pages, notifications, pretty graphs.

9.0DevelopmentMonitoring

FreeJavaScriptOpen sourceObservability

Real-time infrastructure monitoring. Per-second metrics with almost no setup.

8.5DevelopmentMonitoring

FreeCGoOpen sourceObservability

The monitoring system and time-series database that defined cloud-native metrics.

9.0DevelopmentMonitoring

FreeGoOpen sourceObservability

Product analytics, feature flags, session replay and surveys — self-hostable.

9.1DevelopmentAnalytics

FreeJavaScriptPythonTypeScriptOpen sourceObservability