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 Netlas Alternatives ranked by AI · updated Aug 2026
Netlas is an internet intelligence and asset-search platform covering hosts, domains, services, certificates, and web technologies. It serves security researchers and defenders performing reconnaissance and external attack-surface discovery.
Top 6 Netlas alternatives
Censys helps organizations discover and monitor every server, device, and system connected to the internet.
Contact for pricing
ZoomEye is a cyberspace search engine that allows users to search for specific network components. It can be used for network scanning...
Free and paid plans available
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
SpiderFoot is an open-source intelligence automation tool. It automates the process of gathering intelligence about a given target, which may be an...
LeakIX is an internet-wide search engine for discovering exposed services, leaked credentials, and vulnerable infrastructure. It is aimed at security researchers, penetration...
Pros
- Strong focus on exposed services, leaks, and misconfigurations
- Provides detailed service fingerprints and historical exposure context
- Useful for reconnaissance and external attack-surface monitoring
Cons
- Smaller index and ecosystem than Shodan or Censys
- Search interface is less polished than leading commercial alternatives
- Coverage and data freshness can vary by protocol and region
Free, paid plans available
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