Okteta is recommended for developers, software engineers, and IT professionals who frequently work with binary files. It is particularly beneficial for those using KDE or Linux systems, as it integrates smoothly with those environments. It’s also useful for hobbyists and students interested in learning more about binary file manipulation.
Java Decompiler - Yet another fast Java decompiler
IDA - The best-of-breed binary code analysis tool, an indispensable item in the toolbox of world-class software analysts, reverse engineers, malware analyst and cybersecurity professionals.
CFR - CFR is a JVM bytecode decompiler - it will decompile modern Java features - up to and including much of Java 9, but is written entirely in Java 6, so will work anywhere! - It'll even make a decent go of turning class files from other JVM languages (…
Hiew - Hiew (short for Hackers view) is a popular console hex editor for DOS and Windows written by Eugene...
Bytecode Viewer - A Java 8 Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)
Hex Workshop - Hex Workshop: Hex Editor, Sector Editor, Base Converter and Hex Calculator for Windows