Open-Source Intelligence Tools and Resources
A curated list of amazingly awesome open source intelligence tools and resources. Open-source intelligence (OSINT) is intelligence collected from publicly available sources. In the intelligence community (IC), the term “open” refers to overt, publicly available sources (as opposed to covert or clandestine sources)

Table of Contents


This list was taken partially taken from i-inteligence’s OSINT Tools and Resources Handbook.

The main search engines used by users.

Main National Search Engines

Localized search engines by country.

Lesser known and used search engines.

Specialty Search Engines

Search engines for specific information or topics.

Visual Search and Clustering Search Engines

Search engines that scrape multiple sites (Google, Yahoo, Bing, Goo, etc) at the same time and return results.

  • Carrot2 – Organizes your search results into topics.
  • Yippy – Search using multiple sources at once

Find websites that are similar. Good for business competition research.

Search for data located on PDFs, Word documents, presentation slides, and more.


Find information that has been uploaded to Pastebin.

  • PasteLert – PasteLert is a simple system to search and set up alerts (like google alerts) for entries.

Search by website source code

  • NerdyData – Search engine for source code.
  • SearchCode – Help find real world examples of functions, API’s and libraries across 10+ sources.

Major Social Networks

Real-Time Search, Social Media Search, and General Social Media Tools

Social Media Tools






Tools to help discover more about a reddit user or subreddit.


Perform various OSINT on Russian social media site VKontakte.



  • FTL – Browser plugin that finds emails of people’s profiles in LinkedIn.

Username Check

People Investigations

E-mail Search / E-mail Check

Phone Number Research

  • National Cellular Directory – was created to help people research and reconnect with one another by performing cell phone lookups. The lookup products includes have billions of records that can be accessed at any time, as well as free searches one hour a day, every day.
  • Reverse Phone Lookup – Detailed information about phone carrier, region, service provider, and switch information.
  • Spy Dialer – Get the voicemail of a cell phone & owner name lookup.
  • Twilio – Look up a phone numbers carrier type, location, etc.
  • Phone Validator – Pretty accurate phone lookup service, particularly good against Google Voice numbers.

Company Research

Job Search Resources

Q&A Sites

Domain and IP Research

Keywords Discovery and Research

Web History and Website Capture

Language Tools

Image Analysis

Stock Images

Video Search and Other Video Tools

Radio and Podcasts Tools

Academic Resources and Grey Literature

Books and Reading

Geospatial Research and Mapping Tools


News Digest and Discovery Tools

Fact Checking

Data and Statistics

Web Monitoring




Offline Browsing

VPN Services


Annotation Tools

Writing and Office Tools

Slide Show and Presentation Tools

Digital Publishing

Newsletter Tools

Digital Storytelling

Infographics and Data Visualization

Image and Photo Editing

Productivity Tools

E-mail Management

Document and Reference Management

PDF Management

OCR Tools

Cloud Storage and File Sharing

Web Automation

Dashboard Tools


Collaboration and Project Management

Communication Tools

Calendars and Scheduling

Mind Mapping, Concept Mapping and Idea Generation Tools

Social Network Analysis

Privacy and Encryption Tools


  • Amass – The amass tool searches Internet data sources, performs brute force subdomain enumeration, searches web archives, and uses machine learning to generate additional subdomain name guesses. DNS name resolution is performed across many public servers so the authoritative server will see the traffic coming from different locations. Written in Go.
  • findsubdomains – Automatically scans different sources to collect as many subdomains as can. Validate all the data through various tools and services to provide correct results without waiting.

Other Tools

  • Barcode Reader – Decode barcodes in C#, VB, Java, C\C++, Delphi, PHP and other languages.
  • Belati – Belati – The Traditional Swiss Army Knife For OSINT. Belati is tool for Collecting Public Data & Public Document from Website and other service for OSINT purpose.
  • Datasploit – Tool to perform various OSINT techniques on usernames, emails addresses, and domains.
  • Greynoise – “Anti-Threat Intelligence” Greynoise characterizes the background noise of the internet, so the user can focus on what is actually important.
  • The Harvester – Gather emails, subdomains, hosts, employee names, open ports and banners from different public sources like search engines, PGP key servers and SHODAN computer database.
  • Intrigue Core – Framework for attack surface discovery.
  • Maltego – Maltego is an open source intelligence (OSINT) and graphical link analysis tool for gathering and connecting information for investigative tasks.
  • OpenRefine – Free & open source power tool for working with messy data and improving it.
  • Orbit – Draws relationships between crypto wallets with recursive crawling of transaction history.
  • OSINT Framework – Web based framework for OSINT.
  • OsintStalker – Python script for Facebook and geolocation OSINT.
  • Outwit – Find, grab and organize all kinds of data and media from online sources.
  • eScraper – Grab product descriptions, prices, image
    urls and other data effortlessly
  • Photon – Crawler designed for OSINT
  • Pown Recon – Target reconnaissance framework powered by graph theory.
  • QuickCode – Python and R data analysis environment.
  • SecApps Recon – Information gathering and target reconnaissance tool and UI.
  • sn0int – Semi-automatic OSINT framework and package manager.
  • Zen – Find email addresses of Github users

Threat Intelligence

  • REScure Threat Intel Feed – REScure is an independent threat intelligence project which we undertook to enhance our understanding of distributed systems, their integration, the nature of threat intelligence and how to efficiently collect, store, consume, distribute it.
  • OTX AlienVault – Open Threat Exchange is the neighborhood watch of the global intelligence community. It enables private companies, independent security researchers, and government agencies to openly collaborate and share the latest information about emerging threats, attack methods, and malicious actors, promoting greater security across the entire community.
  • Digital Stakeout – DigitalStakeout Scout™ is the leading security intelligence tool to collect data from the surface web, social media, dark web and technical sources to illuminate and investigate external threats.

OSINT Videos