Open Source SEO Tools
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SEO Tools
View 662 business solutionsBrowse free open source SEO tools and projects below. Use the toggles on the left to filter open source SEO tools by OS, license, language, programming language, and project status.
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Ship Agents FasterGemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
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Our Free Plans just got better! | Auth0You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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SEO Panel - A control panel for SEO
World's first seo control panel for multiple websites
An Award Winning and complete open source seo control panel for managing search engine optimization of your websites. Seo Panel is a seo tool kit includes latest hot seo tools to increase and track the performace of your websites. It is a free software released under GNU GENERAL PUBLIC LICENSE V2. Seo Panel selected as 1st Runner Up in 2011 Open Source Awards as Most Promising Open Source Project. The main feature of seo panel is its extendability by using seo plugins. Any one can easily develop and install required plugins for their seo panel. This open source software was released on January 2010. With in this short period of time thousands of web masters are using this software for optimizing their websites. Use seo panel today itself and enjoy everything related to seo under a single platform. The major feature of seo panel is seo plugins, we can add plugins to our seo panel and extend the features according to our requirement. Home Page: https://www.seopanel.org/ -
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OpenSEO
Open source alternative to Semrush and Ahrefs
OpenSEO is an open-source search engine optimization platform positioned as a simpler alternative to large commercial SEO suites. It provides focused workflows for keyword research, rank tracking, competitor analysis, backlink research, site auditing, and AI visibility monitoring. A modern web interface keeps these tasks accessible without hiding them inside a large collection of unrelated reports. The platform exposes an MCP server so AI agents can work directly with SEO data and reusable agent skills. Users can run a hosted edition or self-host the application with Docker or Cloudflare. Self-hosted installations connect to DataForSEO with the user's own API key and use pay-as-you-go data rather than a mandatory software subscription. Because the code is open, teams can modify the workflows and build specialized internal SEO tools. -
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text-generator
Golang text generator for generate SEO texts
Golang text generator for generate SEO texts. Fast text generator on a mask. Written in Golang. I do not use regular expressions and the fastest. I covered tests and simple! Supporting recursive text generation rules. -
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A Free SEO Tool Kit(Open Source) containing all hot seo tools like keyword rank checker,google pagerank checker,alexa rank checker,sitemap generator,meta tag generator,back link checker,Website Submission tool. Geo Varghese https://www.seopanel.org/
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Content SEO Check
Free Chrome extension to analyze headings, links, and on-page SEO.
Content SEO Check is a free Chrome extension that helps bloggers, SEO professionals, and website owners analyze webpage content and on-page SEO elements. It provides a clear overview of heading structure, internal and external links, anchor text, and content word count. You can also export webpage content in Markdown (.md) format for editing, documentation, or further analysis. The extension makes it easier to review website content and identify areas that need improvement without switching between multiple tools. Content SEO Check is developed by WPressBlog. Official website: https://www.wpressblog.com/content-seo-check/ Chrome Web Store: https://chromewebstore.google.com/detail/content-seo-check/lehdeipkbamhgnfanpdpmbjeifonbdko -
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SEO Filter is a Search Engine Optimization Software for forums and Content Management Systems. Rewrites dynamic links on the fly. Keyword rich links (title in the URL). Session ID is removed from links. No duplicate content (301 redirect).
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OpenSERP
Open-source SERP API for AI, SEO & automation - Google + 5 more
OpenSERP is a free self-hosted open-source SERP API & CLI with live browser-rendered search and content extraction for AI, SEO & automation. Use it as a search tool for LLMs, agents, and RAG pipelines, or as a scraper backend for SEO rank tracking across Google, Yandex, Baidu, and more. It is especially useful when your workflow needs RU/CN web coverage instead of another Google-only API. -
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Spintax Studio
Offline Windows editor for spintax templates with live preview
Spintax Studio is a native Windows editor for spintax templates: two panes, your template on the left, its live render on the right. Preview and the valid/invalid verdict come from the real spintax engine inside the application, not from a second parser. Diagnostics carry line and column positions and link to the built-in help; panels list variable definitions, references, session values and #include targets with their resolution status. Generate variants locally, reproduce them with a seed, and export as plain text, an XLSX workbook, or one file per variant. Offline by default: no account, no telemetry, no Node.js, PHP or Python runtime — one self-contained executable. Optional AI drafting is off until you turn it on and talks only to the endpoint you configure, with your own key when it needs one. Interface and built-in help in 14 languages. Free and open source, GPL-3.0-or-later. The SPINTAX language and its engine family are documented at spintax.net. -
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Ansvisor
Open-source Answer Engine Optimization platform
Ansvisor is an open-source AI visibility and answer engine optimization platform built to help brands understand how they appear in AI-generated answers. It tracks mentions across platforms such as ChatGPT, Google AI Overview, Google AI Mode, Gemini, Perplexity, Copilot, Grok, and Claude. The platform helps teams measure visibility scores, compare competitors, analyze prompt performance, and identify which sources AI systems cite alongside their brand. It also includes AI traffic analytics, allowing organizations to see visits that arrive from AI answer engines and break them down by platform, landing page, and country. Ansvisor supports content optimization workflows by generating briefs with titles, outlines, target keywords, and competitor insights. It can be self-hosted with unlocked features or used through a managed cloud option, making it useful for SEO teams, content marketers, agencies, and brands adapting to AI search. -
Cut Data Warehouse Costs by 54%BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
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This is simple link checker. It can crawl any site and help to find broken links. It also having download CSV report option.The CSV file includes url ,parent page url and status of page [broken or ok]. It is be very useful for search engine optimization.
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CoinSparc SEO suite for Android
Full SEO (Search Engine Optimization) app for Android.
Packing all necessary tools used for SEO including URL submitter, Search Engine Ping tool, Site Stability Analyzer, All Major Webmaster Toolkits (Google, Bing, Yahoo, Yandex, Baidu), Keyword Density Checker, Rank Checkers, Backlink Builders, Sitemap Submitter Social Media Metrics & Analysis tools, Mass traffic generator and Blogging tools & tips. CoinSparc delivers the power of a fully fledged PC application to your smartphone. It certainly replaces the tens of different application you use for SEO by bundling all of them into one compact app. A must have tool for all Bloggers, Website Owners, Marketers and Android Web lovers. -
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Goose AEO
AEO tracking toolkit (CLI + dashboard) built for AI agents like Claude
Goose AEO is an AI agent orchestration framework focused on automating engineering operations and workflows through autonomous agents. It builds on the concept of local AI agents that can execute complex tasks such as writing code, debugging, managing pipelines, and interacting with APIs without continuous human supervision. The system is designed to be extensible and adaptable, allowing developers to integrate different language models and configure multi-agent workflows tailored to specific use cases. It emphasizes automation of repetitive and complex development tasks, enabling users to focus on higher-level problem solving and innovation. The framework supports both command-line and application-based interfaces, making it accessible in different development environments. It also promotes modularity, allowing users to extend functionality with plugins or custom components. -
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Intelligent Keyword Miner
Intelligent SEO keyword miner and predicing tool
THIS IS A NETBEANS 8.02 PROJECT ENGLISH ONLY This program was made to help me with the patent research. It simply generates the search keywords, based on your upvotes or a downvotes of the input parameters. It can accept a text or URL (text takes a prescedence over the URL). If you input URL, it goes to a page, and learns its text from HTML format. This program is intelligent as it predicts what you may want to search next, based on your personal trends. After searching the suggestions, you can choose to reset or train it further. Programs that have similar idea are: Google AdWords, SERPWoo's Keyword Finder, Wordpot, and others. Difference is, this program is intelligent and it accepts your input data and then predicts keywords based on your likes or dislikes. As the main engine, it uses the SMOReg algorithm to analyze and map the keyword frequencies of your data. This can be a great SEO tool to help increase the traffic of any website featuring a product. -
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Jekyll SEO Tag
Plugin to add metadata tags for search engines and social networks
A Jekyll plugin to add metadata tags for search engines and social networks to better index and display your site's content. While you could theoretically add the necessary metadata tags yourself, Jekyll SEO Tag provides a battle-tested template of crowdsourced best practices. Jekyll SEO tag is designed to output machine-readable metadata for search engines and social networks to index and display. If you're looking for something to analyze your Jekyll site's structure and content (e.g., more traditional SEO optimization), take a look at The Jekyll SEO Gem. -
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Next SEO
Next SEO is a plug in that makes managing your SEO easier in Next.js
Next SEO is a plugin that makes managing your SEO easier in Next.js projects. Pull requests are very welcome. Also make sure to check out the issues for feature requests if you are looking for inspiration on what to add. Feel like supporting this free plugin? It takes a lot of time to maintain an open source project so any small contribution is greatly appreciated. NextSeo works by including it on pages where you would like SEO attributes to be added. Once included on the page you pass it a configuration object with the page's SEO properties. This can be dynamically generated at a page level or in some cases your API may return an SEO object. Then you need to import NextSeo and add the desired properties. This will render out the tags in the <head> for SEO. At a bare minimum, you should add a title and description. But NextSeo gives you many more options that you can add. -
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OpenSEF is an open source advanced SEF component for Joomla! 1.0 which enables automatic and manual text-based search engine friendly URLs for Joomla core components and 3rd-party developer components. SEO Assistant adds many search engine optimization tools
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SEO & SEM - Marketing Text Writer
Open Source SEO & SEM Text Creation Tools for free Article Writer
Open Source Tool for Search Engine Optimization (SEO & SEM) used for automatic content processing. These SEO Content Genrators and Article Writers based on Text Writer: https://www.artikelschreiber.com/en/ https://www.unaique.net/en/ https://www.unaique.com/ https://www.artikelschreiben.com/ https://www.buzzerstar.com/ https://googleduplicatecontentsolver.sourceforge.io/ https://inkassos.github.io/inkasso/ https://www.artikelschreiber.com/opensource/ https://www.sebastianenger.com/ https://www.artikelschreiber.com/marketing/review/ https://muckrack.com/markus-muller https://linktr.ee/textgenerator Code Contains: - Perl Source code, language databases and more -
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SEO GEO Audit
Professional SEO and GEO audit workflows for brands, SaaS teams
SEO GEO Audit is an AI-driven analysis tool designed to evaluate how well websites are optimized for both traditional search engines and emerging generative AI search systems. It focuses on identifying gaps in content, structure, and metadata that affect visibility in geographic and semantic search contexts. The system analyzes websites against modern search patterns, including how content is interpreted by AI-powered search engines and retrieval systems. It provides actionable insights into areas such as keyword usage, content clarity, and structural optimization. The tool is built as part of a broader ecosystem of AI-driven SEO utilities, emphasizing automation and data-driven recommendations. It is particularly useful for businesses aiming to adapt to the evolving landscape of AI-assisted search. Overall, SEO GEO Audit helps bridge the gap between traditional SEO practices and next-generation AI search optimization. -
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SEO GEO Content Engine
Professional SEO and GEO content workflows for brands, SaaS teams
SEO GEO Content Engine is a comprehensive system designed to combine content generation, optimization, and analysis into a single AI-driven pipeline. It builds on tools like GEO Content Writer and SEO GEO Audit to create an end-to-end workflow for producing and refining search-optimized content. The system automates the process of identifying opportunities, generating content, and validating its effectiveness based on modern search criteria. It emphasizes alignment with both traditional SEO and AI-driven search systems, ensuring content remains competitive in evolving environments. The engine supports iterative improvement, allowing content to be continuously updated and refined based on performance data. It is designed for scalability, enabling teams to manage large content ecosystems efficiently. Overall, SEO GEO Content Engine acts as a full-stack solution for AI-powered content strategy and execution. -
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SEO Machine
A specialized Claude Code workspace for creating long-form
SEO Machine is an AI-powered content production system built as a structured workspace for generating long-form, SEO-optimized blog content through automated workflows. It integrates research, writing, analysis, and optimization into a single pipeline, allowing users to produce high-quality articles tailored to search engine performance. The system uses specialized commands and agents to perform tasks such as keyword research, competitor analysis, content drafting, and optimization. It incorporates real data sources like Google Analytics and Search Console to guide decision-making and improve content effectiveness. The architecture emphasizes context-awareness, using brand voice, style guides, and keyword strategies to maintain consistency across outputs. It also includes performance evaluation tools that score content and suggest improvements before publishing. -
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SEO Tool
Seo Tool: AI Autoblogger for ArtikelSchreiber.com and UNAIQUE.net
Seo Tool: AI Autoblogger for https://www.artikelschreiber.com/ and https://www.unaique.net/ Function: Create Mini site based on Config File on your server https://linktr.ee/textgenerator Use a Shared Hosting Server Change the "seo-marketing-tool.conf" config to fit your needs (eg: Create a Mini Site about "Cars" then change the AI Software API Keywords to "car") Start the Tool "python3 seo-marketing-tool.py" Your mini site will be created on your Shared Hosting Server HTML5 Templates are included to create Mini Site on the fly - Please keep my links to artikelschreiber.com, unaique.net, unaique.com left intact on the templates. https://www.artikelschreiber.com/en/ https://www.unaique.net/en/ https://www.unaique.com/ https://www.artikelschreiber.com/opensource/ https://seo-tool.sourceforge.io/ https://inkassos.github.io/inkasso/ https://muckrack.com/markus-muller -
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SEO Tools provides tools for search engine optimization. Spider SEO: generates meta tags for all pages of a website. Web Page Optimizer performs analysis and changes in a web page. A graphical user interface is linked with a scriptol program that gene
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SIPF - Simple Intelligent PHP Framework
This is a base PHP framework for making simple websites with clean URL
SIPF: Simple Intelligent PHP Framework Simeon Ivaylov Petrov Framework SEO Ideological PHP Framework (SEO - Search Engine Optimization) This is a base PHP framework for making simple websites with clean URLs. It is absolutely free! It's developed for advanced php web developers but if you are a beginner in php programming, I think you can also understand how does it work. SIPF is not a CMS (Content Management System) and it doesn't use the MVC (Model View Controller) logic as most of the PHP frameworks do. I made it using my own logic and I think the final product that came out is very simple to understand and using it to develop your own website will be very easy, too. -
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Herramienta SEO en web / SEO tool for web
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SiteOne Crawler (desktop app)
A free, feature-rich web analyzer and exporter/cloner you will love!
A free in-depth website analyzer providing audits of security, performance, SEO, accessibility and other technical aspects. Available as a desktop application for Windows/macOS/Linux and as a CLI tool for advanced users and CI/CD processes. It also includes an offline web page exporter (website clone, mirror).
