Observability · Error tracking

Sentry

An application monitoring platform centered on errors and performance.

License
FSL-1.1-Apache-2.0
Cost
Generous Free Tier
Self-host
Yes

Overview

Sentry groups application exceptions with releases, traces, user impact, and source context to help teams move from alert to diagnosis.

Why it is interesting

Why pay attention

Its developer-focused error workflow makes it a practical first operational signal for product teams shipping frequently.

Editorial status

Recommended for active evaluation.

Best for

  • Product teams prioritizing actionable application error diagnosis

Not ideal for

  • Teams seeking only infrastructure metrics or raw log storage

Open source & pricing

Generous Free Tier

Sentry can be self-hosted and its cloud service offers free and paid plans under current vendor terms.

GitHub momentum

★ 44,783

Last 7 days
+28
Last 30 days
Window incomplete
Evidence
9/10/2026–9/17/2026 · weekly window

Included in stacks

See it in context.

AI SaaSError monitoringModern ObservabilityApplication errorsModern TypeScript SaaSError monitoring

Official links

websitedocumentationrepository

Sources checked

Official documentation, repository, license, and product factsmaintainer · Sep 4, 2026