Aleph Search vs Sublist3r: side-by-side comparison (2026)

Aleph Search: OSINT tool for mapping & monitoring risk ecosystems on Clear & Deep Web. Built by Aleph Index.

Sublist3r: Sublist3r is a python tool for enumerating subdomains using OSINT and various search engines.

The table above shows where their features, integrations, deployment and company size fit differ.

Aleph Search is made by Aleph Index. Sublist3r is open-source with 10,855 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Aleph Search and Sublist3r are both External Attack Surface Management products, and both cover OSINT. Key differences: Aleph Search is Commercial while Sublist3r is Free, Sublist3r is open-source. Use the table above to see where features, deployment and company size fit differ.