Open Source alternative to Bugsnag in 2026
We compare 1 self-hostable tool you can deploy on your own server in minutes, with license, tech stack and a ready-to-copy docker-compose.
Quick comparison
Sorted by featured first, then GitHub stars as a tiebreaker — the same rule we use across the whole site.
| Tool | License | Minimum RAM | Docker | GitHub |
|---|---|---|---|---|
| Sentry (self-hosted) Lightest optionMost popular on GitHub | FSL-1.1 (pasa a Apache-2.0 a los 2 años) | ~4GB | ✅ | ★ ~9,500 |
Detailed profile of each alternative
Alternative to Bugsnag, Datadog
Production error tracking, the official self-hosted version.
How much does Bugsnag cost, and how much can you save?
Bugsnag charges a recurring monthly fee. Self-hosting the alternative, you only pay for the server — usually a few dollars a month.
Calculate your exact savings in the SaaS Audit →Already know which one you want?
Add Sentry (self-hosted) to the Stack Builder and generate a ready-to-deploy docker-compose.yml, alone or alongside the rest of your stack.
Build my stackFrequently asked questions
Do I need Docker to self-host a Bugsnag alternative?
Yes: the only alternative on this list has a ready-to-copy docker-compose.yml. You just need Docker installed on your server.
How much RAM do I need at minimum?
The lightest option on this list is Sentry (self-hosted), which runs on as little as 4GB of RAM — enough for a cheap VPS.
Are they all 100% free, or are there paid features like on Bugsnag?
No: it's Open-Core. The core is free and self-hostable, but some advanced feature may stay paid — we call it out on its page.