What does Bugsink replace?

Bugsink is a free alternative to Sentry ($312/yr).

Is Bugsink open source?

Not by the OSI definition. Bugsink uses the PolyForm Shield 1.0.0, a source-available license: the code is public, but the license isn't OSI-approved.

Does Bugsink run on Linux?

Yes (self-hosted server; web UI).

Can you self-host Bugsink?

Yes. Bugsink is a server app you run on your own server, and its repository includes Docker files.

Bugsink

A free, source-available alternative to Sentry. Switching saves $312/yr at list price.

Checked Oct 17, 2026 · How we check

Bugsink

Self-hosted server

Replaces it Active Source-available · PolyForm Shield 1.0.0 Linux Self-hostable

bugsink/bugsink2.1k★last push Oct 13, 2026checked Oct 17, 2026

Error tracking only: no performance tracing, session replay or uptime checks.

Imports your data: Sentry SDK compatible, so you switch the DSN; no history import

Self-host

Runs on your own Linux server, with Docker files in the repo. Setup docs are on bugsink.com.

Bugsink: questions

What does Bugsink replace?: Bugsink is a free alternative to Sentry ($312/yr).
Is Bugsink open source?: Not by the OSI definition. Bugsink uses the PolyForm Shield 1.0.0, a source-available license: the code is public, but the license isn't OSI-approved.
Does Bugsink run on Linux?: Yes (self-hosted server; web UI).
Can you self-host Bugsink?: Yes. Bugsink is a server app you run on your own server, and its repository includes Docker files.

Bugsink ↗

Bugsink: questions

One cancellation a week.

Bugsink