Freemium

Open scholarly works, authors, institutions, and funders graph

Best for: Scholarly-publication context, author and institution disambiguation, funder and topic pivots, citation trails, and research-claim triage.

Aircraft tracking and ADS-B aviation data network

Best for: Public-interest flight tracking, aircraft movement context, aviation event reconstruction, historical track review, and airspace-awareness checks with safety safeguards.

AIS vessel tracking and maritime movement intelligence

Best for: Vessel movement leads, port activity context, route-history checks, maritime-event timelines, shipping due diligence, and public-interest supply-chain research.

Community threat-intelligence search and indicator enrichment

Best for: Enriching domains, IPs, URLs, and indicators with reputation, community threat-intelligence context, and linked observables during triage.

Malware-analysis report community

Best for: Use it when a suspicious hash, file, or URL needs malware-analysis context while respecting evidence-sharing limits.

Interactive threat-analysis sandbox

Best for: Use it when an authorized suspicious sample or URL needs behavioral analysis and visual triage.

Scholarly and legal web citation preservation

Best for: Use it when a cited web source needs a durable reference for legal, academic, policy, or investigative documentation.

Free web-based DNS and domain lookup tools

Best for: Use it when a domain investigation needs quick manual pivots across several lightweight DNS and hosting checks.

Reverse analytics, DNS, and domain intelligence

Best for: Use it when a website or domain needs passive pivots through analytics IDs, ad IDs, DNS clues, or…

Internet asset search and exposure intelligence

Best for: Use it when a scoped host, service, product, or organization needs additional exposure context beyond Shodan or Censys.

Cyber defense search engine and attack-surface data

Best for: Use it when a technical artifact needs passive cyber-intelligence enrichment and historical context.

Internet asset and attack-surface search

Best for: Use it when infrastructure research needs another structured lens on internet-exposed assets and certificates.