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Best Open Source Semrush Alternative

A curated collection of the 1 best open source and self-hosted alternatives to Semrush in 2026.

Looking for a free, privacy-friendly, or self-hosted replacement for Semrush in 2026? The top open-source alternative is OpenSEO — Manage keyword research, backlink analysis, competitor monitoring, and rank tracking without expensive SaaS subscriptions. Self-hostable, MIT-licensed, uses DataForSEO..

OpenSEO

OpenSEO

★ 13,642

Manage keyword research, backlink analysis, competitor monitoring, and rank tracking without expensive SaaS subscriptions. Self-hostable, MIT-licensed, uses DataForSEO.

OpenSEO preview

Manage keyword research, backlink analysis, competitor monitoring, and rank tracking without expensive SaaS subscriptions. Self-hostable, MIT-licensed, uses DataForSEO.

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About Semrush

A platform offering SEO tools, competitive analysis, content marketing, PPC management, and social media monitoring to optimize online visibility and campaign performance.