FOS-0102
ACTIVE verified 2026-09-07
JetEmail
Pro plan (open source sponsorship program)
What you get
Free Pro tier for qualifying open source projects: 50,000 transactional emails per month via SMTP relay and HTTP API, unlimited verified domains, premium IP pool, inbound routing/webhooks, and delivery analytics; higher volume available on request.
Applies to
the project , not individual maintainers
Requirements
OSI-approved licenseactively developedpublic repositorynon-commercial / non-profit
run a repo match above to see which you meet →
How to apply
Submit repository URL, license type, sending use case and estimated monthly volume via the contact form on the offer page; review takes about two business days.
Provenance
Confirmed against jetemail.com/open-source on 2026-09-07, matched anchor “free for open source projects”.