Open Source SEO Tools Projects

Tools for search engine optimization including keyword research, backlink analysis, rank tracking, site audits, and competitor research.

CrawlSEO

Self-hosted SEO monitoring dashboard with Google Search Console, a 2,000-page site crawler, Core Web Vitals, and a built-in MCP server for AI agents.

Alternative to:

Semrush

OpenSEO

An open-source, self-hostable SEO suite and pay-as-you-go alternative to Semrush and Ahrefs for keyword research, rank tracking, backlinks, and site audits.

Alternative to:

Semrush

SerpBear

Open-source SERP rank tracker and keyword research app. Monitor unlimited keywords across unlimited domains with email alerts and GSC integration.

Alternative to:

Ahrefs