Analytics and monitoring
Sentry alternatives
2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.
The projects
getsentry/sentry★44,477 GitHub starslicence unclearDeveloper-focused error tracking and performance monitoring platform with ingest, grouping, and web UI.Open on GitHub ↗measure-sh/measure★1,350 GitHub starsApache-2.0 licenceMobile crash and performance monitoring platform that captures crashes, ANRs, bugs, and performance issues.Open on GitHub ↗
What you give up either way
- Large-scale pay-as-you-go ingestion pricing tiers and optimized storage
- Session Replay, advanced profiling, and continuous profiling features
- Seer AI debugging, Autofix, and AI Code Review
- Extensive official SDK ecosystem and polished cross-language integrations
- Enterprise compliance, managed data residency, and SLA-backed support
An open-source project doing the core job proves a replacement is possible. It does not prove it matches Sentry, and it does not prove anyone has run it for a month. How we decide.


