Bettercap vs Sublist3r: Which Domain Names tool is Best in 2025?

Bettercap is a powerful, open-source, and modular network security tool designed for penetration testers, security researchers, and ethical hackers. Pre-installed on Kali Linux, it serves as a Swiss Army knife for network reconnaissance, man-in-the-middle (MITM) attacks, and traffic manipulation across Wi-Fi, Bluetooth Low Energy (BLE), Ethernet, and IPv4/IPv6 networks. Written in Go, Bettercap offers a flexible framework with an intuitive web UI, scriptable proxies, and caplets for automating complex attack scenarios.

Sublist3r is a powerful, open-source Python tool designed for subdomain enumeration using Open-Source Intelligence (OSINT). Integrated into Kali Linux, it assists ethical hackers, penetration testers, and bug bounty hunters in discovering subdomains associated with a target domain. By leveraging search engines like Bing, Yahoo, Google, Baidu, and Ask, as well as services such as Netcraft, VirusTotal, ThreatCrowd, DNSdumpster, and ReverseDNS, Sublist3r compiles comprehensive subdomain lists. It also integrates Subbrute for brute-force enumeration, enhancing its ability to uncover hidden subdomains.