Free

Open-source data cleaning and reconciliation

Best for: Use it when OSINT work has moved from search into messy spreadsheets, entity lists, names, addresses, or identifiers…

Structured open knowledge graph

Best for: Use it when a person, organization, place, or concept needs identifiers and linked open-data context.

Primary UK company registry and filing search

Best for: Primary UK company identity, company-number, officer, filing, status, charge, and document checks.

Directional search-interest analysis for topics and brands

Best for: Directional search-demand context around public-interest questions, news cycles, misinformation narratives, brands, campaigns, and market topics.

Curated public web archive collections

Best for: Use it when an investigation needs institutionally curated historical web context around public issues, governments, elections, or events.

Open threat-intelligence community pulses

Best for: Use it when an indicator needs community threat-intelligence context and related indicators.

Open-source threat-intelligence sharing platform

Best for: Use it when a team needs controlled threat-intelligence sharing, correlation, and internal/private community workflows.

IP, domain, and email reputation intelligence

Best for: Use it when an indicator needs reputation or sender context from a major threat-intelligence provider.