# Open-source alternatives for SEO tools

> Keyword research, rank tracking and site audit tools you can host yourself instead of paying for SEO suites.

## Paid products
- [Open-source alternatives to Ahrefs](https://repoquarry.dev/alternatives/ahrefs.md): Paid hosted SEO suite with its own web crawler for backlink analysis, keyword research, rank tracking and site audits. Pricing: Paid plans from Lite at £99/month (UK prices as served; annual billing saves up to 17%).
- [Open-source alternatives to Semrush](https://repoquarry.dev/alternatives/semrush.md): Paid hosted SEO suite for keyword research, rank tracking, backlink analysis, site audits and competitor research. Pricing: Free plan (10 reports per day); SEO plan £113/month, or £95.07/month billed annually (UK prices as served).

## Top ranked projects
1. [OpenSEO](https://repoquarry.dev/projects/openseo.md): Self-hostable SEO app for keyword research, rank tracking, backlinks, site audits and AI visibility, with an MCP server for AI agents. Commercial use: Confirmed.
2. [Unlighthouse](https://repoquarry.dev/projects/unlighthouse.md): Command-line tool that crawls a whole website and runs Google Lighthouse on every page, with a local UI for the results. Commercial use: Confirmed.
3. [SEOnaut](https://repoquarry.dev/projects/seonaut.md): Self-hosted SEO site auditor that crawls a website and reports broken links, redirects, meta tag and heading issues by severity. Commercial use: Confirmed.
4. [SerpBear](https://repoquarry.dev/projects/serpbear.md): Self-hosted Google rank tracker with unlimited keywords, email alerts, Search Console data and keyword ideas via Google Ads. Commercial use: Confirmed.
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Source: RepoQuarry (https://repoquarry.dev/categories/seo-tools). Data licence: CC BY 4.0. Quotes are from project documentation and belong to their authors.