OpenSEO, the Open-Source Semrush Alternative With 20K+ Stars, Joins YC
gaganghotra_ · x · 2026-09-25
- OpenSEO, an open-source alternative to Semrush and Ahrefs, is joining Y Combinator. The GitHub repo has 20.9k stars and 2.7k forks, and ships with Claude/Cursor plugins, skills, and self-hosting Docker configs.
- The poster says he's used the repo as a base project for his own workflows, then used Claude Opus to make further changes — a practical example of combining an open-source project with AI coding models.
Related event: Open-Source SEO Tool OpenSEO Joins YC With 20K Stars(2 posts)→
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