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