Open source alternative to Semrush and Ahrefs
A comprehensive SEO audit command-line tool with 332 audit rules across 20 categories. Analyze any website for SEO best practices, Core Web Vitals, security headers, structured data, accessibility, and more.
SiteOne Crawler is a cross-platform website crawler and analyzer for SEO, security, accessibility, and performance optimization—ideal for developers, DevOps, QA engineers, and consultants. Supports Windows, macOS, and Linux (x64 and arm64).
Open-source SEO monitoring. GSC + Site Crawler + Core Web Vitals in one dashboard.
Free desktop SEO crawler - open source alternative to Screaming Frog and similar tools. Crawl websites, analyze links, extract SEO data, and export results without subscription fees. Fully customizable and extensible!
Run Google Lighthouse on your entire site.
Repérez les entreprises locales qui ont besoin d’un meilleur site web.
Website SEO Checker — Use Website SEO Checker free on ToolAdda — quick, accurate, and browser-based. Free on ToolAdda.online.
Can AI engines cite your site, and do they? Free 0–100 readiness score on an open GEO rubric, plus ask and weekly citation tracking via OpenAI, Perplexity, Gemini, Anthropic and OpenRouter with your own keys. Zero dependencies; CLI, GitHub Action and MCP server.