Open-Source SEO Tool OpenSEO Joins YC With 20K Stars

OpenSEO, an open-source AI SEO tool and alternative to Semrush/Ahrefs, has joined Y Combinator. Priced at $10/month, its GitHub repo has surpassed 20,000 stars.

2026-09-24 ~ 2026-09-25 · 2 related posts

• Open-source AI SEO tool OpenSEO joins YC at $10/month with 20k GitHub stars — yihui_indie · 2026-09-24
• OpenSEO, the Open-Source Semrush Alternative With 20K+ Stars, Joins YC — gaganghotra_ · 2026-09-25