DARPA research program that developed domain-specific search methods for hard-to-index web content.
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Public-interest archive preserving leaked and released datasets for journalism and historical research.
Public-health research measuring harmful-content availability and searches on the Tor network.
Historical public mailing-list messages documenting Tor development, research and relay operations.
Active public discussion archive for Tor relay and bridge operators, support questions and network issues.
WikiLeaks archive for searching the Sony email release and related historical documents.
Archive of Tor Project monthly reports documenting development, research and community activity.
Official archive of older Tor software, websites, mailing lists, reports and project material.
Search engine for finding indexed Tor onion services, with abuse filtering and public documentation.
Searchable timeline of publicly reported breaches with affected organizations, dates and data types.
Public breach-awareness service for checking whether an email address appears in known data breaches.
Public community forum discussing I2P software, services, development and network operations.
Identity Theft Resource Center database documenting publicly reported US data compromises.
Open-source utility for gathering public metadata about onion services during authorized research.
Tor measurement project collecting performance data for public relays, bridges and onion services.
RAND study of illicit online markets and the operational lessons they present for public policy.
Official interface for exploring public Tor relay and bridge metadata from Onionoo.
Official Tor archive providing recent and historical network descriptors for reproducible research.
Research archive containing dark-web authorship verification datasets and baseline models.
News archive covering dark-web leaks, criminal forums, takedowns and ransomware activity.
Historical lookup showing whether an IP address appeared as a Tor relay on a specified date.
Historical visualization and research record mapping a sample of linked Tor onion services.
Investigative reporting archive focused on dark-web markets, breaches and underground actors.
Reporting archive on dark-web crime, underground forums, data leaks and law-enforcement actions.