Blackfire free for open source

What Blackfire gives open source projects, who qualifies, and how to apply. 1 verified offer, last checked 2026-09-07.

FOS-0018 ACTIVE verified 2026-09-07

Blackfire

Blackfire Profiler free subscriptions for open source maintainers

monitoring

What you get

A free Blackfire Profiler subscription for each project lead and core committer, valid for one year and renewable while the project still qualifies. For developing non-commercial open source projects only; subscriptions cannot be shared.

Applies to

an individual maintainer

Requirements

OSI-approved licenseactively developednon-commercial / non-profit

run a repo match above to see which you meet →

How to apply

Use the "Apply for sponsorship" button on the offer page, which leads to the application form at blackfire.io/open-source-apply.

Provenance

Confirmed against blackfire.io/open-source/free-subscriptions on 2026-09-07, matched anchor “We offer free Blackfire Profiler subscriptions”.

Open program page ↗Check your repo →

Verified 2026-09-07. Details changed? Fix it on GitHub. Not sure you qualify? Match your repo against all 176 offers, or browse monitoring.