SEO and marketing

Semrush alternatives

1 open-source project that already does this job. Free to use - not free to run, which is what the numbers on the right are for.

The full assessment →

The projects

AICMO/ai-cmoOpen-source AI SEO platform that monitors and optimizes brand visibility in AI tools; can be self-hosted.Open on GitHub

What you give up either way

Semrush’s proprietary, large-scale datasets (keywords/backlinks/geo coverage)
Breadth and freshness of historical SEO and backlink data
Polished enterprise UI, integrations, and scheduled reporting features
Scale and reliability of Semrush-hosted daily crawls and APIs

An open-source project doing the core job proves a replacement is possible. It does not prove it matches Semrush, and it does not prove anyone has run it for a month. How we decide.