Open Source SEO Tools
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
Greenflare SEO Web Crawler
ToolMulti-platform
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
SEO Management Platforms
SEO Panel
ToolFull Platform
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.
Keyword monitoringRank trackingCompetitor analysisAutomated auditsMulti-site dashboard
Additional Tools
SerpBear
GitHubRanking
Open source search engine position tracking app. Track keyword rankings across search engines with a simple, easy-to-use interface.
Position trackingMulti-engine support
Python SEO Analyzer
GitHubPython
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.
Site crawlingWord countingTechnical warnings
Curated Lists & Resources
Awesome SEO Tools
GitHubCurated
Curated list of awesome SEO tools on GitHub. Comprehensive collection of open source SEO resources maintained by the community.
Best Free Open Source SEO Solutions
Guide6 Tools
GoodFirms' guide to the 6 best free and open source SEO software solutions with detailed comparisons and use cases.
100% Open Source SEO Software
DirectoryDirectory
Complete list of 100% open source solutions for SEOs & marketers. Comprehensive directory of free, community-driven SEO tools.
Open Source SEO Tools Guide
GuideTutorial
SEO Bot AI's comprehensive guide to open source SEO tools with tutorials and implementation guides.
Optimize with Open Source SEO Tools
GuideHow-to
Seeders' how-to guide for website optimization using open source SEO tools. Step-by-step implementation instructions.
Best Open Source Windows SEO Tools
DirectoryWindows
SourceForge directory of Windows-specific open source SEO tools for 2025. Curated for Windows users.