SoftBestsOpenSEOUnderrated
An open-source SEO platform with keyword research, backlinks, rank tracking, site audits, and AI visibility.
Best for
Indie hackers and content teams who want Ahrefs-style data without a four-figure subscription.
Why it deserves attention
OpenSEO covers the core SEO workflow: keyword research, saved keyword lists, rank tracking, competitor domain overview, backlinks, page-level site audits, and prompt-level AI visibility. It is MIT-licensed with 26,000 GitHub stars, can be self-hosted for free, and connects to Claude, Codex, and other agents over MCP. The hosted version bills by usage instead of a fixed monthly subscription. Its index and data freshness are unlikely to match Ahrefs or Semrush everywhere, self-hosting needs your own API keys, and the product is still young.
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Can replace
- Ahrefs
- Semrush
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