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osint/README.md

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-# Open-source intelligence (OSINT)
+# Open-source Intelligence (OSINT)
 
 Open-source intelligence (OSINT) is data collected from open source and publicly available sources. The following are a few OSINT resources and references:
 
@@ -84,7 +84,29 @@ WHOIS information is based upon a tree hierarchy. ICANN (IANA) is the authoritat
 * dnstracer - http://www.mavetju.org/unix/dnstracer.php
 * dnswalk - http://sourceforge.net/projects/dnswalk
 
-#### Other Great Intelligence Gathering Sources and Tools
+## Dark Web OSINT Tools
+### Dark Web Search Engine Tools
+- [Ahmia Search Engine](https://ahmia.fi) and [their GitHub repo](https://github.com/ahmia/ahmia-site)
+- [DarkSearch](https://darksearch.io) and their [GitHub repo](https://github.com/thehappydinoa/DarkSearch)
+- [Katana](https://github.com/adnane-X-tebbaa/Katana)
+- [OnionSearch](https://github.com/megadose/OnionSearch)
+
+### Tools to Obtain Information of .onion Links
+- [H-Indexer](http://jncyepk6zbnosf4p.onion/onions.html)
+- [Hunchly](https://www.hunch.ly/darkweb-osint)
+- [Tor66 Fresh Onions](http://tor66sewebgixwhcqfnp5inzp5x5uohhdy3kvtnyfxc2e5mxiuh34iid.onion/fresh)
+
+### Tools to scan onion links
+- [Onioff](https://github.com/k4m4/onioff)
+- [Onion-nmap](https://github.com/milesrichardson/docker-onion-nmap)
+- [Onionscan](https://github.com/s-rah/onionscan)
+
+### Tools to Crawl Dark Web Data
+- [TorBot](https://github.com/DedSecInside/TorBot)
+- [TorCrawl](https://github.com/MikeMeliz/TorCrawl.py)
+- [OnionIngestor](https://github.com/danieleperera/OnionIngestor)
+
+### Other Great Intelligence Gathering Sources and Tools
 * Resources from Pentest-standard.org - http://www.pentest-standard.org/index.php/PTES_Technical_Guidelines#Intelligence_Gathering
 
 ### Active Recon