head to head · open source
Listmonk vs MailAccess
Listmonk has 23,784 GitHub stars, 2,676 forks, 111 open issues and last shipped today. MailAccess has 1,612 stars, 143 forks, 3 open issues and last shipped yesterday. Listmonk leads on adoption by 1,375% (23,784 vs 1,612 stars). Listmonk is written in Go under AGPL-3.0; MailAccess is written in Python under MIT. Listmonk has attracted 11% as many forks as stars, MailAccess 9%. Listmonk was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (email-marketing), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Listmonk | MailAccess | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 1.6K |
| License | AGPL-3.0 | MIT |
| Written in | Go | Python |
| Last push | 2026-10-15 | 2026-10-14 |
| Forks | ⑂ 2.7K | ⑂ 143 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Listmonk if
- You weight community size — 24K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick MailAccess if
- You want the MailAccess feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and MailAccess fits your workflow better
About Listmonk
Listmonk is a standalone, self hosted newsletter and mailing list manager in the open source business software and marketing customer engagement ecosystem. It packages campaign management, subscriber management, and email delivery controls into a single binary application with a modern dashboard, and it uses PostgreSQL as its data store.
read the full Listmonk overview →
About MailAccess
MailAccess is a free, self hostable email OSINT platform, shipped on PyPI as mailaccess , that fans a single address out across breach databases, social networks, DNS records, and the open web and returns a unified exposure score, built for security researchers, OSINT analysts, and penetration testers working under authorization.
read the full MailAccess overview →
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Frequently asked questions
Is Listmonk or MailAccess more popular?
Listmonk has 23,784 GitHub stars and MailAccess has 1,612. Listmonk has the larger community by that measure.
Are Listmonk and MailAccess free?
Both are open source. Listmonk is licensed under AGPL-3.0 and MailAccess under MIT. Neither carries a licence fee.
What is the difference between Listmonk and MailAccess?
Listmonk is written in Go and MailAccess in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Listmonk or MailAccess?
Choose Listmonk if you want the larger community (23,784 stars) or its AGPL-3.0 licence terms. Choose MailAccess if its feature set, stack or MIT licence fits better. Both are self-hostable.