head to head · open source
Listmonk vs claude-seo
Listmonk has 23,471 GitHub stars, 2,604 forks, 111 open issues and last shipped 5 days ago. claude-seo has 17,090 stars, 2,504 forks, 19 open issues and last shipped 7 days ago. Listmonk leads on adoption by 37% (23,471 vs 17,090 stars). Listmonk is written in Go under AGPL-3.0; claude-seo is written in Python under MIT. Listmonk has attracted 11% as many forks as stars, claude-seo 15%. Listmonk was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | claude-seo | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 17K |
| License | AGPL-3.0 | MIT |
| Written in | Go | Python |
| Last push | 2026-09-13 | 2026-09-11 |
| Forks | ⑂ 2.6K | ⑂ 2.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Listmonk if
- You weight community size — 23K 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 claude-seo if
- You want the claude-seo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and claude-seo 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 claude-seo
Claude SEO is an open source SEO analysis skill for Claude Code that runs 25 sub skills and 18 specialist agents in parallel across technical SEO, E E A T content quality, Schema.org markup, AI search optimization, local SEO, and reporting, built for SEO agencies, in house SEO leads, and freelance consultants who need repeatable, testable audits rather than one off tool output.
read the full claude-seo overview →
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Frequently asked questions
Is Listmonk or claude-seo more popular?
Listmonk has 23,471 GitHub stars and claude-seo has 17,090. Listmonk has the larger community by that measure.
Are Listmonk and claude-seo free?
Both are open source. Listmonk is licensed under AGPL-3.0 and claude-seo under MIT. Neither carries a licence fee.
What is the difference between Listmonk and claude-seo?
Listmonk is written in Go and claude-seo 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 claude-seo?
Choose Listmonk if you want the larger community (23,471 stars) or its AGPL-3.0 licence terms. Choose claude-seo if its feature set, stack or MIT licence fits better. Both are self-hostable.