Open source alternatives to Semrush

3 projects on starwire do the same job. Ranked by how much of what Semrush does each one covers, read from its README and website. Ties go to the most active.

What Semrush does

Keyword researchcore
Competitor traffic analysiscore
Rank trackingcore
Backlink analysis
Site audits
Content and SEO writing tools
Advertising research
Reports

Each dot in the table is one job, in this order. Square dots are core jobs and count double. Full means yes, half means partly. "See the evidence" under a project shows the line behind each one. Coverage is what a project documents, not how well it works or how hard it is to move to. How we score this

Project	Covers	Stars	Commits, 12 weeks	Last release	Closed vs opened	Setup	License
rankme.fastSelf-hosted SEO platform for site audits, keywords and backlinks	Replaces it82%	963+96	125	None	80%	Hosted version	AGPL-3.0
Covers 2 of 3 core jobs. Partly: Competitor traffic analysis. Not shown: Advertising research.See the evidence Keyword researchcoreYesVolume, difficulty, trends, SERP-overlap clustering Competitor traffic analysiscorePartlycompetitor discovery, and content comparison Rank trackingcoreYesGoogle organic positions over time Backlink analysisYesBacklink profiles, link-gap analysis, toxic-link review Site auditsYesCrawl a site, run 26 automated checks Content and SEO writing toolsYesContent briefs, internal-linking suggestions Advertising researchNot shownNeither the README nor the website mentions it. ReportsYesscheduled white-label client reports
bisibilityOpen source SEO tool for tracking Google rankings, keywords and backlinks	Covers one part73%	603+4	38	yesterday	Too few	Hosted, paid	AGPL-3.0
Covers all 3 core jobs. Partly: Site audits; Reports. Not shown: Content and SEO writing tools; Advertising research.See the evidence Keyword researchcoreYesDiscover keyword ideas and compare search volume Competitor traffic analysiscoreYesSee the keywords and estimated traffic behind its search visibility Rank trackingcoreYesTrack positions by market and device Backlink analysisYesExplore referring domains, new and lost links. Site auditsPartlyCheck a small sample of pages for HTTP errors Content and SEO writing toolsNot shownNeither the README nor the website mentions it. Advertising researchNot shownNeither the README nor the website mentions it. ReportsPartlyBuild reports, access ranking history
open-seoOpen source SEO suite for keyword research, backlinks, and site audits	Covers one part64%	28k+888	632	3 days ago	86%	Hosted, free plan	MIT
Covers 2 of 3 core jobs. Partly: Competitor traffic analysis. Not shown: Content and SEO writing tools; Advertising research; Reports.See the evidence Keyword researchcoreYesKeyword research Competitor traffic analysiscorePartlyCompetitor Insights Rank trackingcoreYesRank tracking Backlink analysisYesBacklinks Site auditsYesSite Audits Content and SEO writing toolsNot shownNeither the README nor the website mentions it. Advertising researchNot shownNeither the README nor the website mentions it. ReportsNot shownNeither the README nor the website mentions it.

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