Browse free open source SEO tools and projects for ChromeOS below. Use the toggles on the left to filter open source SEO tools by OS, license, language, programming language, and project status.
Open-source Answer Engine Optimization platform
Open source alternative to Semrush and Ahrefs
A specialized Claude Code workspace for creating long-form
GEO-first SEO skill for Claude Code
Professional SEO and GEO audit workflows for brands, SaaS teams
Free online developer tools JSON formatter, Base64 encoder, and more
AEO tracking toolkit (CLI + dashboard) built for AI agents like Claude
Open Source SEO & SEM Text Creation Tools for free Article Writer
Professional SEO and GEO content workflows for brands, SaaS teams