1. OSINT Cheat Sheet: This cheat sheet is authored by an Open Source Intelligence (OSINT) specialist and SANS Instructor Candidate for the SANS Institute

    Nixintel's OSINT Resource List - Start.me

  2. .OSINT Framework is a website that helps people find free OSINT resources and tools for various purposes. It covers topics such as threat intelligence, exploits, malware analysis, AI, encryption,…

    https://osintframework.com/

  3. Bellingcat’s New Online Investigations Toolkit

    Home | Bellingcat's Online Investigation Toolkit

  4. Tracelabs OSINT Tools

    GitHub - tracelabs/awesome-osint: 🕵️ A curated list of awesome TraceLabs-endorsed OSINT tools

  5. MITRE ATT&CK: An essential knowledge base for decoding the "how" behind cyber attacks. It serves as the tactical foundation for my work in identifying threat patterns and engineering effective security guardrails.

    MITRE ATT&CK®

  6. Sanctions Explorer Sanctions Explorer is a real and widely-recognized sanctions research tool. It’s a project developed by the nonprofit research organization C4ADS (Center for Advanced Defense Studies) in collaboration with Archer, designed to be a comprehensive, searchable database of sanctions from major global authorities.

    Sanctions Explorer

  7. Shodan: Search engine for Internet-connected devices

    Shodan Search Engine

  8. Censys: It is a public internet scanning platform that lets you discover, analyze, and monitor exposed devices, services, and certificates across the global internet.

    Censys Search

  9. Whoxy: WHOIS intelligence service that lets you look up detailed information about domain names, their registrants, registration history, and related DNS/ownership data.

    WHOIS API | WHOIS Lookup API | Domain WHOIS API