The YouTube video "OSINT | Only 0.01% Know About This OSINT Tool!" highlights a collection of powerful online tools for open source intelligence (OSINT), which is the process of gathering and analyzing publicly available information. The video emphasizes the OSINT Framework as a valuable resource that categorizes and links to specific tools, offering a comprehensive guide for various research tasks. The video showcases several individual tools, demonstrating their functionality and applicability to different scenarios. This includes tools for researching usernames, emails, domain names, IP addresses, and even social media profiles, all contributing to a broader understanding of individuals, organizations, or online trends. The video also underscores the importance of ethical considerations when using these powerful tools, acknowledging the need to balance data gathering with respecting individual privacy.