Maltego CE is completely free for non-commercial use. While it has limitations—such as a cap on the number of results (entities) you can return in a single transform and smaller graph limits—it remains an incredibly powerful tool for learning, personal research, and small-scale investigations. You simply need to register a free account on the Maltego website to receive a legitimate community license. Academic and Research Licenses
A specialized tool for discovering open RTSP video surveillance cameras on a network. maltego license key github
Using a Maltego license key from GitHub or other unofficial sources can pose risks: Maltego CE is completely free for non-commercial use
Professionals use Maltego for a wide range of investigations, including cyber threat intelligence, penetration testing, finding fraudulent activity, and tracing criminal networks. including cyber threat intelligence