1 Open Source Alternatives to hMailServer

Q: What are the best open-source alternatives to hMailServer?

The top open-source alternatives to hMailServer are Stalwart. Stalwart leads with 12.3k GitHub stars.

Q: Are these alternatives to hMailServer free?

Yes. Every tool listed here is open source and free to use. Many can be self-hosted on your own infrastructure.

There are 1 open-source alternatives to hMailServer in this directory. The most popular is Stalwart with 12.3k GitHub stars. All are open source, free to use, and many can be self-hosted.

All open-source alternatives to hMailServer

12.3k

Stalwart

Stalwart is an all-in-one mail and collaboration server designed to be secure, scalable, and highly compatible with a wide range of protocols including IMAP, JMAP, SMTP, CalDAV, CardDAV, and WebDAV. It provides enterprise-class communication and groupware functionality in a single unified solution.

🛍️ E-Commerce⚙️ DevOps⚡ Productivity🏠 Self-Hosted

Frequently asked questions

What are the best open-source alternatives to hMailServer?

The top three are Stalwart(12.3k stars). All are open source and free to use.

Are these alternatives to hMailServer free?

Yes. Every tool listed here is open source and free to use in your own projects. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.

Can I self-host an alternative to hMailServer?

Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.

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