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.

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • Full-stack observability with actually useful AI | Grafana Cloud Icon
    Full-stack observability with actually useful AI | Grafana Cloud

    Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

    Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
    Create free account
  • 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.
    Leader badge
    Downloads: 2,273,886 This Week
    Last Update:
    See Project
  • 2
    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: 126 This Week
    Last Update:
    See Project
  • 3
    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: 69 This Week
    Last Update:
    See Project
  • 4
    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: 68 This Week
    Last Update:
    See Project
  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
    Start Free
  • 5
    (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: 21 This Week
    Last Update:
    See Project
  • 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: 35 This Week
    Last Update:
    See Project
  • 7
    Android Debug Database

    Android Debug Database

    A library for debugging android databases and shared preferences

    Android Debug Database allows you to view databases and shared preferences directly in your browser in a very simple way. Android Debug Database is a powerful library for debugging databases and shared preferences in Android applications. Delete database rows and shared preferences. Search in your data. Sort data. Download database. Debug Room inMemory database. As this library is auto-initialize, if you want to get the address log, add the following method and call (we have to do like this to avoid build error in release build as this library will not be included in the release build) using reflection. Using the Android Debug Database with an encrypted database. See all the data in the shared preferences used in your application. Run any sql query on the given database to update and delete your data.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    Stetho

    Stetho

    Debug bridge for Android applications

    Stetho is a sophisticated debug bridge for Android applications. When enabled, developers have access to the Chrome Developer Tools feature natively part of the Chrome desktop browser. Developers can also choose to enable the optional dumpapp tool which offers a powerful command-line interface to application internals. Alternatively you can include Stetho from Maven Central via Gradle or Maven. Only the main stetho dependency is strictly required, however you may also wish to use one of the network helpers. The integration with the Chrome DevTools frontend is implemented using a client/server protocol which the Stetho software provides for your application. Once your application is integrated, simply navigate to chrome://inspect and click “Inspect” to get started! Network inspection is possible with the full spectrum of Chrome Developer Tools features, including image preview, JSON response helpers, and even exporting traces to the HAR format.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 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: 5 This Week
    Last Update:
    See Project
  • $300 in Free Credit Towards Top Cloud Services Icon
    $300 in Free Credit Towards Top Cloud Services

    Build VMs, containers, AI, databases, storage—all in one place.

    Start your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale.
    Get Started
  • 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: 9 This Week
    Last Update:
    See Project
  • 11
    Debugger for Bash version 3(Bourne again shell). Plugin for Eclipse. Will only work with shell script editor ShellEd.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 8 This Week
    Last Update:
    See Project
  • 13
    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
    Leader badge
    Downloads: 7 This Week
    Last Update:
    See Project
  • 14
    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
    Leader badge
    Downloads: 6 This Week
    Last Update:
    See Project
  • 15
    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: 2 This Week
    Last Update:
    See Project
  • 16
    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: 2 This Week
    Last Update:
    See Project
  • 17
    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.
    Leader badge
    Downloads: 3 This Week
    Last Update:
    See Project
  • 18
    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: 5 This Week
    Last Update:
    See Project
  • 19
    Java IDE, project support, build, debugger, grep.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 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: 5 This Week
    Last Update:
    See Project
  • 21
    Avrora is a suite of tools for analyzing and debugging programs for AVR microcontrollers. It has support for a sensor platforms such as Mica2 and MicaZ, allowing wireless network simulation and allows dynamic instrumentation and static analysis.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 22

    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: 3 This Week
    Last Update:
    See Project
  • 23
    Jasmin is an interpreter for the x86 assembly language with a full-featured development environment aimed for educational purposes.
    Leader badge
    Downloads: 3 This Week
    Last Update:
    See Project
  • 24
    ClasspathHelper provides eclipse plugins that determine classpath/classloading related dependencies such as unresolved references, blocked/obscured clases as well as unreferenced classes/jars. ClasspathHelper can model most classloading scenarios.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    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: 2 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next
MongoDB Logo MongoDB