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Indie alternatives to Postmark
5 products made by independent developers and small teams that do what Postmark does, 5 of them with a free plan. Free and open-source options come first.
At a glance
| Product | Price | Open source | Self-host | Platforms |
|---|---|---|---|---|
| MailerSend | Free plan | – | – | API, Web |
| Mailgun | Free plan | – | – | API, Web |
| Plunk | Free plan | Yes | Yes | API, Web, Self-hosted |
| Resend | Free plan | – | – | API, Web |
| useSend | Free plan | Yes | Yes | Web, Self-hosted, API |
The alternatives
1. MailerSend
Transactional email and SMS API
MailerSend, from the MailerLite team, offers an email and SMS API, SMTP relay, templates and inbound routing.
Free plan · API, Web · Website ↗
Questions
Is there a free alternative to Postmark?
Yes. 5 of the 5 indie alternatives listed here have a free plan or are free: MailerSend, Mailgun, Plunk, Resend and 1 more.
Is there an open-source alternative to Postmark?
Plunk and useSend are open source.
Can I self-host an alternative to Postmark?
Yes: Plunk and useSend can run on your own server.
What makes these alternatives to Postmark “indie”?
They are built by independent developers or small teams rather than large companies. Each one is listed because it does the same core job as Postmark.
Ask your AI instead
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Browse: APIs · Developer Tools · Self-Hosted
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