7 Best Open Source SEO Tools 2023 (#1 OS SEO Software)

by Chris Von Wilpert • Last updated June 12, 2023

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Today there are 182 different open source SEO tools. We spent 67 hours comparing the top 50 to find the seven best you can use to boost organic traffic.

What is the Best Open Source SEO Tool?

  1. SEO Panel — best of the best
  2. Serposcope — best for rank tracking
  3. SEOMacroscope — best for analysis and reporting
  4. SEOTools for Laravel — best for Laravel users
  5. Python SEO Analyzer — best for on-page SEO optimization
  6. OSAT — best for comprehensive SEO audits
  7. SEOstats — best for retrieving SEO metrics

Our Verdict — Best Of The Best

Price: Starts at $25/mo

SEO Panel is a comprehensive open source SEO tool for digital marketers and businesses. We think it’s the best because of its powerful keyword analysis resources, detailed website audits, and easy-to-use backlink management.

The Best Part:

  • A one-stop-shop for SEO. SEO Panel has got you covered with everything from keyword research to competitor analysis, making your life easier as you optimize your content.

The Worst Part:

  • Lacks premium support. Since it’s an open-source tool, SEO Panel doesn’t offer the same level of customer support as paid alternatives.

Get it if you want a cost-effective open-source alternative to pricey SEO tools, without compromising on features and capabilities.

I recommend you go for the Personal plan at $25/month.

(free plan)

Best For

SEO Panel is best for small businesses and digital marketers who want a comprehensive set of SEO tools, without breaking the bank.

Top Features

  • Make smarter decisions. Use SEO Panel's in-depth reports and website audits to spot problematic areas, and boost your site's performance.

  • Keep your backlinks in check. Effortlessly monitor and manage your backlink profile across multiple search engines with SEO Panel's handy Backlinks Checker.

  • Watch your progress. Stay on top of your website's search engine performance for unlimited keywords with detailed ranking reports.

  • Own your search engine game. Discover how many indexed pages your site boasts across various search engines with the Search Engine Saturation Checker

  • Spy on your competition. Keep tabs on your search engine positions with the help of the thorough reporting and graphs of SEO Panel's Keyword Position Checker.


SEO Panel offers four pricing plans:

  • Self-hosted: Free forever, for individuals and small businesses that want a free open-source SEO solution with core features.
  • Personal: $25/month for growing businesses and individuals who want advanced SEO tools and premium plugins for better optimization.
  • Professional: $49/month for digital agencies and larger businesses that require everything in the Personal plan, plus more extensive features such as social media manager, bulk keyword rank checker, and captcha recognition.
  • Business: $99/month for agencies and businesses that offer SEO services and require everything in the Professional plan, plus higher limits, article spinning, and dashboard customization features.

Try SEO Panel today with the free plan.

Our Verdict — Best For Rank Tracking

Price: Free forever

Serposcope is an incredible free SEO rank tracking tool. We think it’s the best for rank tracking because of its lightning-fast updates, highly customizable features, and intuitive interface.

The Best Part:

  • User-friendly dashboard. Unlike most open source SEO tools, Serposcope stands out with an easy-to-navigate dashboard, making it a breeze to monitor your website's rankings and performance.

The Worst Part:

  • Limited support. Serposcope's user community and help documentation might not be as helpful as other tools on the market.

Get it if you want a no-nonsense rank tracker that focuses on delivering accurate data in a user-friendly interface.

I recommend you download Serposcope today.

(free forever)

Best For

Serposcope is best for SEO newbies and pros who want an open-source, customizable rank tracking tool that's both powerful and easy to use.

Top Features

  • Customize and conquer. No more fumbling with useless features — tweak Serposcope's settings to help you track your personal and business SEO goals like a hawk.

  • Scope out the competition. Monitor and analyze your competitors' rankings next to your own, so you always know which keywords need that extra push.

  • Dominate local SEO. Keep tabs on your website's performance and progress in local search results.

  • Never lose track. Log your SEO actions and optimizations with Serposcope's calendar feature to easily track your efforts and its results.

  • Available for any device. Whether you're rockin' a desktop PC or a dedicated server, Serposcope's got you covered on Mac, Linux, and Windows.


Serposcope offers a single pricing plan:

  • Serposcope: Free forever, for individuals, small businesses, and digital marketers that want an open source search engine rank tracking solution.

Try Serposcope today with a free download.

Our Verdict — Best For Analysis And Reportings

Price: Free forever

SEOMacroscope is a tasty open source SEO tool for running thorough website audits. We think it’s the best for analysis and reporting because of its comprehensive website crawling capabilities, in-depth content analytics, and insightful SEO reporting.

The Best Part:

  • It detects broken links effortlessly. SEOMacroscope nabs both internal and external broken links on your website, so you can clean things up and boost user experience.

The Worst Part:

  • It may feel a bit dry. As an analysis-focused tool, SEOMacroscope doesn’t have all the bells and whistles offered by premium SEO tools.

Get it if you want a reliable open-source SEO tool that offers thorough analysis and reporting features for your website, including broken links detection.

I recommend you download SEOMacroscope today.

(free forever)

Best For

SEOMacroscope is best for website owners and digital marketers who want comprehensive SEO analysis and reporting without spending a dime.

Top Features

  • Fix up messy metadata. Keep your website in top shape by catching and fixing canonical, hreflang, and other metadata issues.

  • Map out your website for search engines. Generate and export text or XML sitemaps from crawled pages.

  • Tune up your content. Create targeted technical SEO checks on titles and descriptions.

  • Scrape data like a pro. Easily grab essential info from your website with SEOMacroscope's handy tools like CSS selectors, XPath queries, and Regular Expressions to boost your overall SEO performance.

  • Speed up your website. SEOMacroscope spots the fastest and slowest pages on your site, helping you figure out what needs fixing.


SEOMacroscope offers a single pricing plan:

  • SEOMacroscope: Free forever, for individuals or businesses that want a cost-effective SEO analysis and reporting tools.

Try SEOMacroscope today with a free download.

Our Top Three Picks

Here’s a quick summary of our top three picks:

  1. SEO Panel — best of the best
  2. Serposcope — best for rank tracking
  3. SEOMacroscope — best for analysis and reporting

Here’s a quick comparison of our top seven picks:


Entry Offer


SEO Panel

Free plan

Starts at $25/mo



Free forever



Free forever

SEOTools for Laravel


Free forever

Python SEO Analyzer


Free forever



Free forever



Free forever

Here are the top 50 open source SEO tools we considered in this review:

  1. SEO Panel
  2. Serposcope
  3. SEOMacroscope
  4. SEOTools for Laravel
  5. Python SEO Analyzer
  6. OSAT (Open Source Accessibility Tools)
  7. SEOstats
  8. Advertools
  9. OpenSEO
  10. Next SEO
  11. Longtail keywords generator
  12. SEOSuite
  13. WordPress SEO
  14. Keyword Extract
  15. Glomi Tools
  16. Koalati
  17. HTTP-Status-Check
  18. Keyword Generator
  19. Keyword-list-generator
  20. Broken url checker
  21. Rank Math
  22. Yoast SEO
  23. All in One SEO Pack
  24. Screaming Frog SEO Spider
  25. Google Keyword Planner
  26. Ubersuggest
  27. Seobility
  28. Answer the Public
  29. SEOquake
  30. GTmetrix
  31. Siteliner
  32. Hreflang Tags Generator
  33. XML Sitemaps
  34. Browseo
  35. SERProbot
  36. Beam Us Up
  37. SEO-Browser
  38. Varvy SEO tool
  39. Link Miner
  40. Google Search Console
  41. Google Analytics
  42. OpenLinkProfiler
  43. SEO PowerSuite
  44. Website Grader
  45. Lipperhey
  46. Keys4Up
  47. Zadroweb SEO Auditor
  48. Xenu's Link Sleuth
  49. SEO Web Page Analyzer
  50. Dareboost

How can I SEO my website for free?

For effective Search Engine Optimization (SEO) of your website without incurring costs, open-source SEO tools come in handy. 

Starting with SEO Panel, you can conduct keyword research, a crucial part of SEO that involves identifying the most relevant keywords for your website. You can use this information to boost your content strategy, optimizing it to match popular search intent.

SEO Panel allows you to conduct an SEO audit of your website and offers detailed SEO reports to help spot any technical SEO issues. 

Serposcope, another open-source tool, can help you track your website's search rankings. Monitoring these rankings is important to understand how well your SEO strategy is working.

SEOMacroscope is best for comprehensive SEO audits and can help spot duplicate content on your website. Duplicate content can harm your domain authority, a metric used by search engines to rank websites. 

All these tools, used together, form a powerful suite of SEO tools that can enhance your website's SEO for free.

Is SEO free on Google?

Google offers some tools that can help with your SEO strategy. Google Search Console and Google Analytics are two such free tools. 

Google Search Console allows you to monitor your website's presence in Google Search results, helping identify technical issues and monitor your website's performance. 

Google Analytics, on the other hand, provides insight into your website's search traffic, showing how users find and interact with your site.

Google also offers Google Keyword Planner, a keyword research tool that provides monthly search volumes for different keywords. 

Google Trends can give you insights into the popularity of specific search terms over time. 

However, for a more comprehensive SEO strategy, free open-source tools like SEO Panel, Serposcope, and SEOMacroscope can further enhance your website's SEO.

What is the most popular SEO tool?

SEO Panel is recognized as one of the most popular SEO tools due to its comprehensive features. It includes a suite of tools for keyword research, SEO audits, and competitor analysis, all critical for a solid SEO strategy. Serposcope is favored for rank tracking, while SEOMacroscope stands out for in-depth SEO audits and reports.

Can I do SEO without paying?

Absolutely. Open-source tools like SEO Panel, Serposcope, and SEOMacroscope provide numerous features required for effective SEO without any charges. 

SEO Panel can help you conduct keyword research, a critical aspect of SEO.

 With Serposcope, you can track your website's search rankings, which is important to understand how your SEO strategy is impacting your website's visibility. 

SEOMacroscope excels in conducting comprehensive SEO audits, providing detailed reports that can help identify technical issues and recommend improvements.

Can I do SEO on my own?

Absolutely, you can perform SEO on your own, especially with the help of a mix of open-source and paid tools. 

Open-source tools such as SEO Panel, Serposcope, and SEOMacroscope offer comprehensive suites of SEO tools that enable you to create and implement your own SEO strategy effectively.

SEO Panel provides a wide range of functionalities. This includes in-depth keyword research, which is crucial for understanding what terms your target audience is searching for. SEO Panel also offers a backlink checker to manage and monitor your backlink profile across multiple search engines, which can help increase your domain authority, thereby improving your search rankings.

Similarly, paid tools like Ahrefs, Moz, and SEMrush also provide a wealth of resources for SEO. Ahrefs, for instance, is a popular tool for backlink analysis and keyword research. Moz offers a range of features, including domain authority tracking and SEO audits. SEMrush specializes in competitor analysis, allowing you to see what SEO strategies your competitors are using, which can be very informative.

The Bottom Line

To recap, here are the best open source SEO tools to try this year:

  1. SEO Panel — best of the best
  2. Serposcope — best for rank tracking
  3. SEOMacroscope — best for analysis and reporting
  4. SEOTools for Laravel — best for Laravel users
  5. Python SEO Analyzer — best for on-page SEO optimization
  6. OSAT — best for comprehensive SEO audits
  7. SEOstats — best for retrieving SEO metrics

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