The Ultimate Free OSINT Tools Collection: 65+ Essential Resources for Intelligence Gathering

Regularly updated

This comprehensive guide presents 65+ free OSINT tools carefully organized by category to help cybersecurity professionals, researchers, and investigators conduct effective open source intelligence gathering. Each tool includes direct links and practical use cases to streamline your workflow and enhance your investigative capabilities.

🔍 Search Engines & Discovery Tools

General OSINT Frameworks

1. OSINT Framework – Comprehensive collection of OSINT tools organized by category
2. Malfrat’s OSINT Map – Interactive visual guide to OSINT tools
3. Awesome OSINT – Curated list of OSINT resources on GitHub
4. IntelTechniques – Professional OSINT tools and techniques

Specialized Search Engines

5. Shodan – Search engine for Internet-connected devices and IoT systems
6. ZoomEye – Cyberspace search engine for network discovery
7. Censys – Internet-wide scanning and analysis platform
8. Binary Edge – Internet scanning and threat intelligence platform
9. Fofa – Global cyberspace mapping platform

🛡️ Threat Intelligence & Security Analysis

Reputation & Analysis Tools

10. VirusTotal – Multi-engine malware scanner for URLs, IPs, domains, and file hashes
11. URLscan.io – URL sandbox analysis and screenshot service
12. Cisco Talos Intelligence – Threat intelligence and reputation lookup
13. IBM X-Force Exchange – Threat intelligence sharing platform
14. AbuseIPDB – IP address reputation database
15. Hybrid Analysis – Free malware analysis service
16. Joe Sandbox – Advanced malware analysis platform

Sandboxing & Analysis

17. ANY.RUN – Interactive online malware sandbox
18. Browserling – Cross-browser testing and browser sandbox
19. CyberChef – Data analysis and encoding/decoding toolkit
20. CyberGordon – Multi-tool OSINT analysis platform

Threat Intelligence Resources

21. CrowdStrike Threat Intelligence 101 – Educational resource on threat intelligence
22. Abuse.ch – Malware samples and indicators of compromise (IoCs)
23. Awesome SOC – Security Operations Center resources

🌐 Network & Infrastructure Analysis

DNS & Domain Tools

24. MXToolbox – Comprehensive DNS and network diagnostic tools
25. ViewDNS – DNS propagation and lookup tools
26. CentralOps – Advanced online network utilities
27. Domain Investigation Toolbox – Comprehensive domain analysis tools
28. SecurityTrails – Historical DNS data and domain intelligence
29. DNSdumpster – DNS reconnaissance and domain mapping

Website Analysis

30. BuiltWith – Website technology profiler and analysis
31. Wappalyzer – Website technology identification
32. Netcraft – Web server and hosting analysis
33. Symantec BlueCoat – Website categorization and reputation

👤 People & Social Media Intelligence

People Search & Social Media

34. Hunter.io – Email finder and verification service
35. CheckUsernames – Username availability checker across platforms
36. WhatsMyName – Username enumeration across social networks
37. Sherlock – Social media username investigation tool
38. Social Searcher – Real-time social media search engine
39. Pipl – People search engine and identity verification

Email & Communication Analysis

40. Epieos – Email address investigation and analysis
41. Email-checker – Email validation and verification
42. TrueMail – Email verification and deliverability testing

📊 Data Analysis & Mining Tools

Link Analysis & Data Mining

43. Maltego – Link analysis and data mining platform
44. Gephi – Open-source network analysis and visualization
45. Palantir Gotham – Enterprise data analysis platform (limited free tier)

File & Document Analysis

46. FilePursuit – File search engine across the web
47. DocumentCloud – Document analysis and collaboration platform
48. PDF Examiner – PDF metadata analysis tool

🔐 Security Testing & Validation

Password & Security Testing

49. Security.org Password Checker – Password strength analyzer
50. Have I Been Pwned – Data breach notification service
51. DeHashed – Database breach search engine
52. LeakCheck – Personal data leak monitoring

Network Analysis Tools

53. Wireshark – Network protocol analyzer and packet capture
54. Snort – Open-source intrusion prevention system
55. Nmap – Network discovery and security auditing tool

🕰️ Historical & Archive Research

Web Archives & Historical Data

56. Internet Archive Wayback Machine – Historical website snapshots and archives
57. Archive.today – Web page archiving service
58. Cached View – Access cached versions of websites

Image & Reverse Search

59. TinEye – Reverse image search engine
60. Google Images – Reverse image search with advanced filters
61. Yandex Images – Russian search engine with powerful image search

🤖 AI-Powered OSINT Tools

Artificial Intelligence & Automation

62. OpenAI ChatGPT – AI assistant for data analysis and research
63. Bard – Google’s AI chatbot for information gathering
64. Perplexity – AI-powered search and research assistant

📱 Mobile & Application Analysis

Mobile Intelligence

65. MobSF – Mobile security framework for analysis
66. APKPure – Android application repository and analysis

Related Resources

• OSINT Training Courses
• OSINT Methodology Guide
• Privacy Protection for OSINT Practitioners

This article is regularly updated to include the latest OSINT tools and techniques. Bookmark this page for future reference.

 

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