OpenSEO: Open-Source Alternative to Semrush and Ahrefs

OpenSEO is an open-source alternative to Semrush and Ahrefs. It is a pay-as-you-go SEO tool that you can self-host and control. Designed for individuals and AI agents, it offers a modern, simple UI without bloated subscriptions.

Key features include keyword research, rank tracking, domain insights, backlinks analysis, site audits, and AI brand visibility. It also has an AI search prompt explorer. The tool integrates with AI agents via an MCP server, allowing direct data access.

OpenSEO is free to use; you only pay for DataForSEO API usage. You can self-host via Docker or Cloudflare. Community support is available on Discord. For a hosted version, visit openseo.so.

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