• Ahmia — Hidden service search
• Haystak — Full-text darknet search (premium)
• Tor66 — Search and find onion sites
• Torch — One of the oldest onion search engines
• Kilos — Darknet market and forum search
• Phobos — Darknet search
• TORMAX — Onion search engine
• GDARK — Darknet search index
• Google Onion Mirror — Google hidden service

• The Hidden Wiki — Onion directory
• TheHiddenWiki.org — Clearnet mirror of Hidden Wiki
• OnionLinks — Curated onion links
• Onion.Live — Status of darknet sites
• Dark.fail — Monitor uptime of onion markets/forums
• Tor.Taxi — Directory/portal for onion services

• IntelligenceX — Leaks & darknet indexing
• OCCRP Aleph — Public leaks & investigations

  * [[https://iaca-darkweb-tools.com|IACA Dark Web Tools]] — Toolkit for investigators  
  * [[https://www.searchftps.net|Napalm FTP]] — Search open FTP servers  
  * [[https://archive.org|Archive.org]] — Historical archiving (sometimes mirrors darknet material)  
  * [[https://start.me/p/EL84Km/cse-utopia|Google CSE Utopia]] — Custom Google engines for onion search