Responder vs JD-GUI vs Cowpatty vs Burp Suite: Which Satellite tool is Best in 2025?

Responder is a robust, open-source tool designed for network penetration testing, specializing in Link-Local Multicast Name Resolution (LLMNR), NetBIOS Name Service (NBT-NS), and Multicast DNS (mDNS) poisoning. Pre-installed on Kali Linux, Responder enables cybersecurity professionals and ethical hackers to intercept network authentication requests, capture NTLM hashes, and perform man-in-the-middle (MITM) attacks by mimicking legitimate servers. Developed by Laurent Gaffié, it targets Windows environments where LLMNR and NBT-NS are enabled by default, making it a powerful tool for credential harvesting and network security assessments.

JD-GUI is an open-source, standalone graphical Java decompiler, available on Kali Linux at /usr/bin/jd-gui, designed for reverse-engineering compiled Java applications by extracting readable source code from .class or .jar files. Developed by Emmanuel Dupuy and packaged for Kali by Sophie Brun, JD-GUI provides a user-friendly GUI to browse class hierarchies, view decompiled Java code, and save sources as .java files. Ideal for cybersecurity researchers, Android developers, and ethical hackers, it supports malware analysis, code auditing, and vulnerability research. Often paired with tools like Dex2Jar, JD-GUI simplifies Java bytecode analysis.

Cowpatty is a robust open-source wireless network auditing tool for ethical hacking, seamlessly integrated into Kali Linux (version 2024.06.R1). As a WPA/WPA2-PSK dictionary attack tool for cybersecurity, it performs offline passphrase cracking using captured 4-way handshakes, making it a top choice for wireless password cracking in penetration testing. Developed by Joshua Wright, its 77 KB size and genpmk utility enable efficient attacks on pre-shared key (PSK) networks.

Burp Suite is a leading, industry-standard platform for web application security testing, pre-installed on Kali Linux. Developed by PortSwigger, it serves as a powerful toolkit for penetration testers, ethical hackers, and bug bounty hunters to identify and exploit vulnerabilities in web applications. Acting as a man-in-the-middle proxy, Burp Suite intercepts HTTP/HTTPS traffic, enabling detailed analysis, manipulation, and automated scanning. Available in Community (free) and Professional editions, it offers tools like Spider, Scanner, Intruder, and Repeater for comprehensive testing. With features like fuzzing, session management, and extensibility via BApp Store, Burp Suite excels in detecting issues such as SQL injection, XSS, and CSRF, making it essential for securing web applications.