Free and open source SEO tools for comprehensive audits, rank tracking, and optimization. No licensing costs, full control, and community-driven development.
Why Choose Open Source?
100% free - no licensing costs or subscription fees
Full control - host on your own infrastructure
Customizable - modify source code to fit your needs
Community-driven - benefit from community improvements
Privacy-focused - your data stays on your servers
Transparent - inspect code to understand how it works
Technical SEO Auditing
SEOnaut
GitHubCross-platform
Open source SEO audit tool designed to analyze websites for issues that may impact search engine rankings. Performs comprehensive site scans and generates reports detailing identified issues organized by severity and impact.
Broken link detectionRedirect analysisMeta tag validationHeading hierarchySeverity reports
Lightweight free and open-source SEO web crawler for Linux, Mac, and Windows. Dedicated to delivering high quality SEO insights and analysis solutions.
Page title extractionH1/H2 analysisElement filteringDuplication detection
Award-winning, 100% free and open source SEO management platform. Monitor keywords, track rankings, analyze competitors, and automate SEO tasks across all websites from one powerful dashboard.
SEO tool that analyzes site structure, crawls the site, counts words in body content, and warns of technical SEO issues. Perfect for developers who prefer Python.