Best Open Source Decompilers 2026

Decompilers

Decompilers 2 - Pre-Alpha Clear Filters

Browse free open source Decompilers and projects below. Use the toggles on the left to filter open source Decompilers by OS, license, language, programming language, and project status.

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1

Android App Decompiler

Decompile an Android APK

Android App Decompiler is a useful Tool to unextract and decompiles Android APK. When you runed the Decompiler than created an folder with all Files from then APK and the dex (dalvik executable format) being converted to an jar file. You must only now use an Java Decompiler like jd-gui and you have all files of the App.

Downloads: 7 This Week

Last Update: 2016-07-22
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2

DeClassify

A Java Decompiler with a catchy name.

A Java Decompiler that is based on the object oriented premise of Java. Everything is an object. The intermediate between bytecode and source os an object.

Downloads: 0 This Week

Last Update: 2016-11-14
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3

JClassViewer

A Java class viewer and decompiler which respect line numbers.

JClassViewer is a viewer for class and jar files. Features: - required Java 7 or higher - used the line numbers to reconstruct an output that is near to the original output. - debugging in Eclipse - should support other languages like Scale in the future

Downloads: 0 This Week

Last Update: 2012-03-08
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4

Java ByteCoding Tools

Java-program to read, modify and execute class-files. a real java VM written in java or a decompiler for class-files is possible (and partially working)

Downloads: 0 This Week

Last Update: 2013-02-22
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5

Net Unwind

net-unwind is an open-source .NET decompiler for GNU/Linux based systems. It can decompile any .NET from Intermediate Language (based on CLR) back to similar or identical source code to the original in C#. A Qt GUI is provided for easy navigation.

Downloads: 0 This Week

Last Update: 2013-03-07
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6

javad

Java decompiler written in C++ aimed to decompile Java 6.0 (and below) class files. The intention of the decompiler is to generate source files using as much information provided in the class file as possible.

Downloads: 0 This Week

Last Update: 2016-02-16
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