Best forBroad SDK coverage across languages and frameworks, with performance tracing next to errors.
Trade-offEvent-based billing can jump after a noisy bug; the self-hosted version needs a sizeable server.
Used by 162 makers' products for this
BugSnag alternatives
Not a ranking: each option is described by the situation it fits, with its trade-off, whether it's open source or free to start, whether AI coding agents can work with it, and how many makers' products use it for this job.
4 open source or self-hostable5 with a free tier6 ready for AI agents
For error monitoring
The whole decision →Hosted service or self-hosted tracker. Hosted services give you setup in minutes and pricing by event volume; self-hosting keeps error data on your servers for the cost of running and upgrading it.
BugSnag (Hosted service): Crash and error reporting for mobile, web and backend apps, with a stability score for each release. Trade-off: Fewer tracing and performance features than Sentry, and the product sits inside SmartBear's larger suite.
Best forError grouping tied to releases, with session replays linked to errors.
Trade-offSmaller ecosystem of integrations and guides than Sentry.
Used by 6 makers' products for this
Best forSelf-hosting error tracking on a small server while using Sentry's SDKs.
Trade-offFewer features than Sentry, and you run the upgrades and backups.
No maker product tracked for this yet
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Self-hosted trackerOpen sourcellms.txt
Best forSelf-hosting errors, session replays, logs and traces from the open-source code of a product that no longer runs as a hosted service.
Trade-offThe hosted service shut down in February 2026 after LaunchDarkly bought it, so the self-hosted code has little ongoing development to rely on.
Used by 2 makers' products for this
Best forOne tool covering errors, logs, uptime checks and cron monitoring, with a free plan for a single developer.
Trade-offFewer language SDKs and less depth in tracing than larger platforms.
Used by 1 makers' products for this
Best forError tracking in the same tool as your product analytics and session replays, so an exception links to what the user did.
Trade-offYounger than dedicated trackers, with fewer SDKs and alerting options.
No maker product tracked for this yet