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

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  • 1

    MinGW - Minimalist GNU for Windows

    A native Windows port of the GNU Compiler Collection (GCC)

    MinGW: A native Windows port of the GNU Compiler Collection (GCC), with freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All of MinGW's software will execute on the 64bit Windows platforms.
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    Downloads: 2,452,633 This Week
    Last Update:
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  • 2
    Bytecode Viewer

    Bytecode Viewer

    A reverse engineering suite (decompiler, editor, debugger and more)

    Some of Bytecode Viewer features are that it provides Java Decompiling with Six different decompilers (DJ-GUI/Core, Procyon, CFR, Fernflower, Krakatau, and JADX-Core). Bytecode Decompiling with CFIDE. Android APK integrated with Dex2Jar. Securely launch Java applications and insert hooks via EZ-Injection. Scan for malicious code with the Malicious Code Scanner plugin. Export as DEX, Jar, Class, Zip or Java Source File. Open Android APKs, Android DEX, Java Class Files and Java Jars. (WAR & JSP Support!). Extensively configurable, over 100+ settings! Works seamlessly with all Operating Systems. Integrates BCV into Windows by installing it, it'll associate all .class, .dex and .apk to open with BCV. You can view Jar & APK Resources with ease by APKTool.jar integration. It is 100% free and open sourced under GPL v3 CopyLeft.
    Downloads: 62 This Week
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  • 3
    WinXP, Vista, Win7, linux, OpenSolaris native port of the BSD PSPSDK (ps2dev.org), with freely distributable import libraries and header files (DevPaks) for building cross compiled homebrew Sony PSP (PlayStation Portable) applications.
    Downloads: 89 This Week
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  • 4
    Robust

    Robust

    Android HotFix solution with high compatibility and high stability

    Robust is an Android HotFix solution with high compatibility and high stability. Robust can fix bugs immediately without a reboot. Robust is an Android HotFix solution with high compatibility and high stability. Robust can fix bugs immediately without publishing apk. Support fixing at method level,including static methods. Support add classes and methods. Support ProGuard,including inline methods or changing methods' signature. AutoPatch will generate patch for Robust automatically. You should modify inner classes' private constructors to public modifier. Classes added in patch should be static nested classes or non-inner classes,and all fields and methods in added class should be public.
    Downloads: 6 This Week
    Last Update:
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  • 5
    Eclipse Portable [4.6–4.26]

    Eclipse Portable [4.6–4.26]

    Portable version of the multifunctional development platform Eclipse.

    With this portable version of Eclipse, you can develop software directly from your removable mass storage device, even without admin rights. To get started, please visit the Eclipse Portable wiki: https://sourceforge.net/p/eclipse-neon-portable/wiki GitHub: https://github.com/Berny23/eclipse-portable Thank you for over 180,000 Downloads! Please note: A few months ago, I completely switched to Linux (now Arch btw). So, I'll be no longer active creating portable apps for Windows.
    Downloads: 68 This Week
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  • 6
    (Diver is in the process of being moved to GitHub. Please find us at https://github.com/thechiselgroup/Diver. Support requests & messages sent here may never be seen.) Dynamic Interactive Views For Reverse Engineering. Div/er is a set of Eclipse Plugins that aid developers in understanding software. It uses dynamic analysis and reverse engineering to offer views and filters that aid comprehension and discovery.
    Downloads: 12 This Week
    Last Update:
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  • 7
    HL7 Inspector

    HL7 Inspector

    HL7 Inspector is a tool for managing HL7 messages

    The HL7 Inspector project has moved to Bitbucket. https://bitbucket.org/crambow/hl7inspector All new releases can be found there. The web-based version can still be found at www.hl7inspector.com
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    Downloads: 9 This Week
    Last Update:
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  • 8
    libinstrument (ex libcsdbg)

    libinstrument (ex libcsdbg)

    C/C++ function instrumentation (AOP, exception/stack tracing, GC)

    Libinstrument is a complete and easy way to do custom function instrumentation for C/C++. The project comes ready with classic applications of instrumentation, such as AOP (Aspect Oriented Programming), Concern and Side Effect injection, stack tracing, exception tracing, basic time profiling, callgraph profiling and other. A GC (Garbage Collector) module is also under development. Libinstrument is highly portable and decoupled. The project comes with a CMake build system, integration with IDEs (CLion, Eclipse e.t.c) is straightforward. Using lazy algorithms there is virtually zero overhead in benchmarks and minimum overhead in execution time. Libinstrument tries to be as non-intrusive as possible, while trying to help the developer offering basic reflection. There are Unit Tests for each class and method, testing is driven with CTest.
    Downloads: 20 This Week
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  • 9
    The m6800 Simulator is a teaching tool to introduce students to microprocessors. It is based on a cut-down version of the M6800 chip, and a reduced instruction set. The simulator assembles and simulates execution of the users code on a GUI
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    Downloads: 14 This Week
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  • 10
    Jar Browser is a Java development utility for searching and browsing the contents of a set of jar and zip files. It supports searching for classes across multiple jars, plus a variety of other features. Great for solving CLASSPATH issues.
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    Downloads: 5 This Week
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  • 11
    Bash Command Builder

    Bash Command Builder

    A simple Bash IDE / Debugger

    Bash made easier: A simple IDE / Debugger for writing, debugging, and executing single commands and short scripts. If you are a struggling occasional user of Bash, or would be a user if it weren't so difficult to get started, then this program will help. Runs on Linux or Windows Subsystem for Linux.
    Downloads: 8 This Week
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  • 12

    Jlint

    Static analyzer for Java bytecode

    Jlint will check your Java code and find bugs, inconsistencies and synchronization problems by doing data flow analysis on the code and building the lock graph. Jlint is fast, easy to learn, and requires no changes in the class files to be checked.
    Downloads: 5 This Week
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  • 13
    This is going to be a Java Swing Application that will be used as a quick reference for Java API names. It will feature incremental search and filtering so that searching efficiency is improved. It will be very simple and a good way to statistically analyze java api's.
    Downloads: 4 This Week
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  • 14
    A C#, C++, Delphi, ActiveX ,javascript and Java trace framework and a trace viewer: Tail, outputDebugString, event log, Log4J, Log4Net, Microsoft EIF support and Pocket PC development (C++ and .NET)
    Downloads: 4 This Week
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  • 15
    P6Spy is a framework that enables database data to be seamlessly intercepted and manipulated with no code changes to existing application. The P6Spy distribution includes P6Log, an application which logs all JDBC transactions for any Java application us
    Downloads: 2 This Week
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  • 16
    When testing using a database with rollback after each test, failing tests are very hard to resolve. Data Storm is a simple DB viewer directly launchable from within your test code to enable you to inspect the current state of the database.
    Downloads: 3 This Week
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  • 17
    A java class assambler. This program assembles java byte code instructions for the JVM, like MASM for the CPU. Knowledge of the java byte code instruction is strongly required.
    Downloads: 3 This Week
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  • 18
    Java Console is a Java Command promt tool intended for Software Developers, System Administrators and as a plug in to other applications. It is a very powerful console client just run it and have fun
    Downloads: 3 This Week
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  • 19
    Glassbox is an automated troubleshooting and monitoring agent for Java apps that diagnoses common problems with one-click. Drop in a .war file from http://www.glassbox.com and find out what's wrong with your existing web apps, without any code chang
    Downloads: 1 This Week
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  • 20
    Seksen is a GUI based 8086, 80186 emulator and debugger in Java.
    Downloads: 2 This Week
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  • 21
    Xun Bug

    Xun Bug

    A tool can debug and profile javascript in multi mobile browsers

    Xun Bug is an application for debug and profiling javascript code. It is a powerful tool supports most of mobile browser such as iPhone,Android,BlackBerry,Windows Mobile and Symbian. There is no need to install plugins in your browser. With the debug tool of Xun bug,you can set breakpoint,watch call stacks,step and resume,watch expressions and so on. With the profile tool of Xun bug, you can get the javascript function call tree and every call's time ,you can also get the statistic of function calls.
    Downloads: 2 This Week
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  • 22
    Jasmin is an interpreter for the x86 assembly language with a full-featured development environment aimed for educational purposes.
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    Downloads: 2 This Week
    Last Update:
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  • 23
    ClassGhost is a small utility that can redefine class files within a running JVM. ClassGhost allows you to directly inject the newly compiled class files in to the VM without interrupting the running application. Works with multiple as well as remote VMs
    Downloads: 1 This Week
    Last Update:
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  • 24
    The Tool Box

    The Tool Box

    Tools for the payments type!

    Version 1.1.5 - Added: Added the ability to edit the EMV panel - You can change which tags show, and what order they are in - Added: Tag 9F10 (Issuer Application Data) to which also includes CVR (a subtag of 9F10) - Added: Menu link to the homepage (sourceforge) - Fixed: 9F07/AUC had the wrong tag details - Fixed: File>Close now saves notes and config updates before exiting - Fixed: Tag 95/TVR title had a spelling mistake - Fixed: Homepage wasn't populating EMV page names - Fixed: EMV menu would prompt to update even if there was nothing changed - Changed: Removed unused classes, old stuff that isn't used - Changed: Reverted home page image - Changed: Removed some test prints and refactored EMV classes - Changed: No longer prompts to restart after EMV menu change, just changes it - Changed: EMV Navigation Panel button generation (for the dynamic buttons) thetoolbox2013@gmail.com
    Downloads: 1 This Week
    Last Update:
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  • 25

    ADBTool

    Capturing screenshots, screen video, logcat, extract string ids

    ADBTool with user friendly UI is very helpful for QA Engineers to test and validate Android mobile apps faster. It reduces the test execution time by 40-50 percent. Installation: In order to use this tool you should install ANDROID SDK. And set Android SDK path in Environment variables as ANDROID_HOME. How to Run : Windows: By just double clicking on it. MAC or Linux: java -jar adbtool.jar Capturing and editing screenshot is one of the painful work for QA engineers. QA Engineers can now perform all these actions using this single tool without depending on other editing tools or software. Logcat is the most used thing by QA Engineers and developers to debug the issue. This tool will capture logcat and displays log with colour coding in UI with options to view and save.. Android uiautomator provide only strings not their ids whereas ADBTool can extract complete strings from selected app. Apart from above ADBTool has many other features, use it to know other features.
    Downloads: 1 This Week
    Last Update:
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