Collect application errors and investigate them with Sentry-compatible SDKs.
Free self-hosted software; pay for your server. Optional hosted Free: 1,000 shared events/month, unlimited projects and members.

Developer tools
Collect, group and inspect application exceptions on your server.
Collect, group and inspect application exceptions on your server.
Application error reporting within the stated free allowance or on your server, instead of paid Sentry capacity; no full observability-suite parity. Collect, group and inspect application exceptions on your server. Free open-source self-hosted exception tracking server alternative to Sentry Business. Aggregates error alerts, stack traces, and environment context across microservices without external cloud tracking subscriptions.
Airbrake-compatible client integration is required; not a drop-in Sentry DSN. Maintain Ruby/MongoDB infrastructure; no Sentry replay suite.
Each comparison covers the workflow described above, rather than every paid feature.