OpenSEO vs SerpBear

Comparing two open source alternatives to Semrush and Ahrefs. Use the comparison below to decide which one fits your needs.

OpenSEO

MIT

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.

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SerpBear

MIT

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

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Side-by-side comparison

	OpenSEO	SerpBear
License	MIT	MIT
Self-hostable	Yes	Yes
GitHub Stars	18,615	2,074
Forks	2,365	294
Open Issues	168	73
Last Commit	Sep 12, 2026	May 14, 2026
First Released	Feb 27, 2026	Nov 24, 2022
Categories	SEO Tools	SEO Tools
Tags	#seo #keyword-research #backlink-analysis #site-audit #analytics	#seo #rank-tracking #keyword-research

GitHub stars over time

OpenSEO18,615

SerpBear

Similar open source alternatives

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