Free

EU public procurement notices and awarded-contract search

Best for: EU procurement notice discovery, awarded-contract leads, buyer/supplier checks, CPV sector searches, place-of-performance filters, and procurement timeline review.

Forest monitoring, satellite alerts, and environmental geospatial data

Best for: Environmental OSINT, deforestation monitoring, forest-change alerts, land-use context, and public-interest geospatial research.

Public crypto scam and suspicious-address reporting database

Best for: Checking whether wallets, domains, scam narratives, or crypto abuse indicators have public reports or related community warnings.

Political violence and protest event data for public-interest research

Best for: Structured conflict, protest, political-violence, crisis, actor, and event-context research for journalism, civil society, and regional analysis.

Legal Entity Identifier search for company identity checks

Best for: Confirming LEI records, legal-entity names, registration status, reference data, and identity anchors in company due diligence.

Investigative offshore entity and intermediary database

Best for: Checking whether a person, company, intermediary, address, or entity appears in ICIJ offshore leak datasets during due diligence…

Open ADS-B flight tracking and aviation data network

Best for: Public-interest flight tracking, aircraft movement context, aviation event reconstruction, and open ADS-B research with safety safeguards.

Ethereum blockchain explorer for public wallet and transaction research

Best for: Checking Ethereum addresses, transactions, token contracts, wallet activity, labels, and public on-chain evidence before deeper crypto investigation.

TikTok ad and commercial content transparency library

Best for: Reviewing visible TikTok commercial content, advertiser signals, video-native campaign messages, and public platform-transparency records.

Searchable LinkedIn ad transparency database

Best for: B2B advertiser checks, employer-brand monitoring, professional-network campaign messaging, and public ad transparency around organizations.

Crowd-size estimation from mapped areas

Best for: Use it when a protest, rally, queue, or public gathering claim needs transparent crowd-size estimation caveats.

NASA satellite imagery browsing

Best for: Use it when a geospatial question needs environmental, fire, smoke, weather, or satellite-layer context over time.

Copernicus satellite data browser

Best for: Use it when a case needs sensor-aware European satellite imagery, dates, cloud context, or downloadable scenes.

Sun and shadow checks for visual verification

Best for: Sunlight, shadow, time-of-day, and geolocation support when a known or suspected location can be tested.

Open aerial imagery catalog for mapping workflows

Best for: Use it when a geospatial workflow needs open imagery that can be inspected or reused with licensing context.