JD-GUI vs Armitage: Which Browser Extension tool is Best in 2025?

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.

Armitage is a dynamic open-source GUI for the Metasploit Framework, pre-installed in Kali Linux (version 20221206), tailored for penetration testers and red teams. This Metasploit GUI tool for ethical hacking simplifies complex workflows by visualizing targets, recommending exploits, and automating post-exploitation tasks. With a 10.95 MB footprint and team server for multi-user collaboration, Armitage is a top collaborative penetration testing tool for cybersecurity experts, harnessing Metasploit’s vast exploit library for streamlined security assessments.