diff --git a/readme.md b/readme.md
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+++ b/readme.md
@@ -106,6 +106,7 @@ Major SEO platforms that have added AI search optimization capabilities:
 #### Open Source Data / Evals
 - [AI Product Bench](https://github.com/amplifying-ai/ai-product-bench) - Benchmark for AI product visibility.
 - [GEO/AEO Tracker](https://github.com/danishashko/geo-aeo-tracker) - Open-source, local-first AI visibility dashboard. Track brand mentions across ChatGPT, Perplexity, Gemini, Copilot, Google AI Overview, and Grok. BYOK, self-hosted, $0/month, with visibility scoring, citation analysis, and competitor battlecards.
+- [GeoScore](https://geoscoreapp.pages.dev) - Free, open-source instant GEO + SEO audit tool. 39 checks covering E-E-A-T signals, structured data, llms.txt, FAQ schema, author attribution, and citation-friendly patterns. No login, no tracking. Built on Cloudflare Workers. ([GitHub](https://github.com/sprawf/geoscore))
 
 #### llms.txt Generators
 - [Apify Generator](https://apify.com/jakub.kopecky/llmstxt-generator) - Scraping-based generator.