Analyze your website's performance and improve its visibility on search engines with this user-friendly SEO tool.
From the README
- Best in class MCP and AI Skills.
- Modern, simple UI.
- Focused workflows instead of a bloated, complex SEO suite.
- No subscriptions.
- Bring your own DataForSEO API key and pay only for what you use.
- Fork and vibe code your own custom tool.
Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.
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Free · no card · unsubscribe anytimeOpen source alternative to Semrush and Ahrefs
open-seo has 15.1k stars on GitHub. It has been forked 1.8k times. open-seo is written mainly in TypeScript. It has been in active development since 2026. open-seo is available under the MIT license. Its main topics are backlink-analysis, google-search-console-mcp, keyword-research, mcp.
What is open-seo?
Open source alternative to Semrush and Ahrefs
Is open-seo open source?
open-seo is an open-source project. It is released under the MIT license.
Is open-seo free?
Yes. open-seo is free and open source — you can use, modify and self-host it.
What license does open-seo use?
open-seo is available under the MIT license.
What language is open-seo written in?
open-seo is written mainly in TypeScript.
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