head to head · open source
claude-seo vs warmbly
claude-seo has 25,931 GitHub stars, 3,395 forks, 19 open issues and last shipped 2 days ago. warmbly has 866 stars, 159 forks, 17 open issues and last shipped yesterday. claude-seo leads on adoption by 2,894% (25,931 vs 866 stars). claude-seo is written in Python under MIT; warmbly is written in Go under Apache-2.0. claude-seo has attracted 13% as many forks as stars, warmbly 18%. warmbly was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (marketing-automation), 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
| claude-seo | warmbly | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 866 |
| License | MIT | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-11-01 | 2026-11-02 |
| Forks | ⑂ 3.4K | ⑂ 159 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick claude-seo if
- You weight community size — 26K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick warmbly if
- You want the warmbly feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and warmbly fits your workflow better
About claude-seo
Claude SEO: SEO Skill for Claude Code Claude SEO is an open source SEO analysis plugin for Claude Code. It runs 25 sub skills and 18 specialist agents in parallel across technical SEO, content quality (E E A T), Schema.org markup, AI search optimization (GEO), local SEO, e commerce, and international SEO. Every audit produces a prioritized action plan with testable recommendations grounded in primary source guidance from Google. Two versions of this skill. 🌐 Public open source → AgriciDaniel/claude seo : MIT, public releases, no membership. Use this if you want stable + downloadable. 🔒 Community private mirror…
read the full claude-seo overview →
About warmbly
The open source agentic cold email and warmup platform. Features · How it works · Quick start · Self hosting · Docs · Community · Support ⭐ Help us reach more senders and grow the Warmbly community. Star this repo! Warmbly Warmbly runs cold email campaigns from the mailboxes you already own and warms them so they keep landing in the inbox. Opens, clicks, and replies land in a shared dashboard the moment they happen, and it's AI native, so your team and its agents work in it together, live. Features Campaigns multi step sequences with per mailbox caps and spacing Unified inbox every mailbox and reply in one place…
read the full warmbly overview →
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Frequently asked questions
Is claude-seo or warmbly more popular?
claude-seo has 25,931 GitHub stars and warmbly has 866. claude-seo has the larger community by that measure.
Are claude-seo and warmbly free?
Both are open source. claude-seo is licensed under MIT and warmbly under Apache-2.0. Neither carries a licence fee.
What is the difference between claude-seo and warmbly?
claude-seo is written in Python and warmbly in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, claude-seo or warmbly?
Choose claude-seo if you want the larger community (25,931 stars) or its MIT licence terms. Choose warmbly if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.