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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    MongoDB Atlas runs apps anywhere

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  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
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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: 2,138,278 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: 70 This Week
    Last Update:
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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: 66 This Week
    Last Update:
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  • 4
    (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: 46 This Week
    Last Update:
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  • Add Two Lines of Code. Get Full APM. Icon
    Add Two Lines of Code. Get Full APM.

    AppSignal installs in minutes and auto-configures dashboards, alerts, and error tracking.

    Works out of the box for Rails, Django, Express, Phoenix, and more. Monitoring exceptions and performance in no time.
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  • 5
    GT

    GT

    Debugging tool for bug hunting and performance tuning on smartphones

    GT (Great Tit) is a portable debugging tool for bug hunting and performance tuning on smartphones anytime and anywhere just as listening music with Walkman. GT can act as the Integrated Debug Environment by directly running on smartphones. With the help of GT, you can carry out the following jobs only using one smartphone: quick performance tests (CPU, memory, flow, power, fluency tests etc.), viewing developer log and crash log, capturing the network packets, debugging the APP internal parameters and code time-consuming statistics. If the functions GT provides cannot meet your requirements, you can also develop your own GT plugins with special functions to help solving more complicated debugging issues. The IOS GT is a Framework package, which must be compiled into your APPs before being used. It can be supported by both iPhone and iPad APPs.
    Downloads: 2 This Week
    Last Update:
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  • 6
    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: 46 This Week
    Last Update:
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  • 7
    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: 1 This Week
    Last Update:
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  • 8
    Sonic Agent

    Sonic Agent

    Agent of Sonic cloud real machine platform

    Agent of Sonic Cloud Real Machine Platform. Sonic is a platform that integrates remote control debugging and automated testing of mobile devices, and strives to create a better use experience for global developers and test engineers.
    Downloads: 1 This Week
    Last Update:
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  • 9
    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
    Downloads: 6 This Week
    Last Update:
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  • Stop Storing Third-Party Tokens in Your Database Icon
    Stop Storing Third-Party Tokens in Your Database

    Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.

    Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
    Try Auth0 for Free
  • 10
    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: 7 This Week
    Last Update:
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  • 11
    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: 4 This Week
    Last Update:
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  • 12
    BT-Sim is a BlueTooth simulator on a HCI level. The project alows to develop and test BT applications without using real BT hardware. It works in particular with PalmSource's Palm OS Simulator.
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    Downloads: 7 This Week
    Last Update:
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  • 13
    NetTool is a developer tool for monitoring and manipulating application-level network messages, particularly useful for debugging web applications and web services. There are two components to NetTool: the HTTP Client, and the TCP Tunnel.
    Downloads: 7 This Week
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  • 14
    Jasmin is an interpreter for the x86 assembly language with a full-featured development environment aimed for educational purposes.
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    Downloads: 7 This Week
    Last Update:
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  • 15
    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
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    Downloads: 5 This Week
    Last Update:
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  • 16

    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
    Last Update:
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  • 17
    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: 5 This Week
    Last Update:
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  • 18
    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
    Last Update:
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  • 19
    The ObjectExplorer4J (OE4J) is a Java tool for the graphical presentation of objects and references.
    Downloads: 3 This Week
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  • 20
    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: 3 This Week
    Last Update:
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  • 21
    LOG4PLSQL is a PLSQL framework for logging in all PLSQL code this project was born from the log4J spirit (and use it). You have the possibility to log apart from transaction and use all LOG4J feature.
    Downloads: 1 This Week
    Last Update:
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  • 22
    Java Modeling Language (JML)
    This sourceforge site for the project is now DEPRECATED and not updated. All current work and new releases are on github: https://github.com/OpenJML/OpenJML. The Java Modeling Language (JML) is a behavioral interface specification language that can be used to specify the behavior of Java modules (as in design by contract -- DBC). It has many tools to do assertion checking, unit testing, etc. The principal current tool of the project is OpenJML -- cf. https://www.openjml.org, with binary downloads from https://github.com/OpenJML/OpenJML/releases/latest
    Downloads: 2 This Week
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  • 23

    ASTRA Agent Programming Language

    ASTRA is an implementation of AgentSpeak(TR)

    ASTRA is an implementation of AgentSpeak(TR) that has built in support for the CArTaGo and EIS environment models. Support for conversation management is provided in the form of the ACRE conversation manager.
    Downloads: 1 This Week
    Last Update:
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  • 24
    ATmon is a bootloader and monitor tool for the Atmel ATmega32 microcontroller.
    Downloads: 1 This Week
    Last Update:
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  • 25
    This project is used to compare two archive files & generate a report as an html file. The report contains the missing files, the different and the identical files. Admin section is used to specify the report folder and restricted files while comparing.
    Downloads: 1 This Week
    Last Update:
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