Compare software

SEOmatorSEOnaut
Freemium

Offers more than 40 free SEO tools alongside paid platform features.

 Free

Free and open source with no paid tier.

Web, Browser extension Web, Self-hosted
  • Site crawling with on-page and technical issue reports
  • More than 40 free SEO tools
  • Self-hosted, so crawl data stays on your server
  • Docker Compose setup
  • Full platform features require a paid plan
  • Hosted service only, with no self-hosted option
  • Focused on technical audits, with no keyword or backlink data
  • Requires running and maintaining your own server
Web application, Hosted service, Browser extension Self-hosted
Closed source Open source
License not stated License: MIT
Not stated if an account is needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked October 1, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.