Shodan is a search engine that lets you find specific types of computers (routers, servers, etc.) connected to the internet.
Free trial available, pricing varies based on usage
Best theHarvester Alternatives ranked by AI · updated May 2025
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theHarvester is a tool for gathering e-mail accounts, subdomains, hosts, employee names, open ports, and banners from different public sources
Price: Free
Top 6 theHarvester alternatives
Censys helps organizations discover and monitor every server, device, and system connected to the internet.
Contact for pricing
Maltego is a popular data mining tool that is used for link analysis, OSINT, and digital forensics.
Free version available, paid plans start at $999/year
SearchDiggity is a Windows-based GUI for running Google search operators and Google Hacking Database queries. It is designed for penetration testers and...
Pros
- Provides a graphical interface for Google dorking without requiring extensive query syntax knowledge
- Includes categorized security-focused search queries
- Useful for quickly identifying publicly indexed exposure during authorized assessments
Cons
- Primarily focused on Google-based discovery rather than broad internet asset indexing
- Windows-focused, limiting use on other desktop platforms
- Depends on search-engine behavior, availability, and rate limits
sn0int is a semi-automatic OSINT framework and package manager
SpiderFoot is an open-source intelligence automation tool. It automates the process of gathering intelligence about a given target, which may be an...
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