SET vs Quell: Which Domain and IP Search tool is Best in 2025?

SET, or Social-Engineer Toolkit, is a leading open-source framework pre-installed in Kali Linux (version 8.0.3), designed for ethical hackers and penetration testers. This social engineering toolkit for cybersecurity automates attacks like phishing, credential theft, and payload delivery, making it a premier penetration testing tool for social engineering assessments. With a 30.40 MB footprint and over 10 attack vectors, SET empowers red teams to simulate real-world threats, integrating seamlessly with Metasploit for robust security testing.

Quell is an advanced AI-driven platform launched to streamline automated quality assurance (QA) and compliance testing for web and mobile product deployments. Founded by a team with extensive experience at Western Union, Bank of the West, eBay, and Airwallex, Quell integrates with tools like Linear, Jira, Vercel, and Netlify to test acceptance criteria, debug issues, and ensure compliant builds. It is ideal for product leaders, developers, and cybersecurity professionals. It reduces manual testing efforts and accelerates shipping cycles.