Browse free open source SEO tools and projects for Mac below. Use the toggles on the left to filter open source SEO tools by OS, license, language, programming language, and project status.
Open source alternative to Semrush and Ahrefs
GEO-first SEO skill for Claude Code
Golang text generator for generate SEO texts
Professional SEO and GEO content workflows for brands, SaaS teams
World's first seo control panel for multiple websites
Open-source Answer Engine Optimization platform
A free, feature-rich web analyzer and exporter/cloner you will love!
Open-source SERP API for AI, SEO & automation - Google + 5 more
AEO tracking toolkit (CLI + dashboard) built for AI agents like Claude
Intelligent SEO keyword miner and predicing tool
Plugin to add metadata tags for search engines and social networks
Next SEO is a plug in that makes managing your SEO easier in Next.js
Open Source SEO & SEM Text Creation Tools for free Article Writer
Professional SEO and GEO audit workflows for brands, SaaS teams
A specialized Claude Code workspace for creating long-form
Free online developer tools JSON formatter, Base64 encoder, and more
CLI to generate a clean llms.txt so AI assistants find your site.