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Java Debuggers

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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  • Next-generation security awareness training. Built for AI email phishing, vishing, smishing, and deepfakes. Icon
    Next-generation security awareness training. Built for AI email phishing, vishing, smishing, and deepfakes.

    Track your GenAI risk, run multichannel deepfake simulations, and engage employees with incredible security training.

    Assess how your company's digital footprint can be leveraged by cybercriminals. Identify the most at-risk individuals using thousands of public data points and take steps to proactively defend them.
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  • 1
    Jasmin is an interpreter for the x86 assembly language with a full-featured development environment aimed for educational purposes.
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    Downloads: 23 This Week
    Last Update:
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  • 2

    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: 20 This Week
    Last Update:
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  • 3
    A complete Parallax Propeller debugger/simulator for development of assembler code, with built-in editor and compiler. In runs under Java v1.5 or better.
    Downloads: 16 This Week
    Last Update:
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  • 4
    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: 15 This Week
    Last Update:
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  • Monitoring, Securing, Optimizing 3rd party scripts Icon
    Monitoring, Securing, Optimizing 3rd party scripts

    For developers looking for a solution to monitor, script, and optimize 3rd party scripts

    c/side is crawling many sites to get ahead of new attacks. c/side is the only fully autonomous detection tool for assessing 3rd party scripts. We do not rely purely on threat feed intel or easy to circumvent detections. We also use historical context and AI to review the payload and behavior of scripts.
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  • 5
    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: 11 This Week
    Last Update:
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  • 6
    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: 7 This Week
    Last Update:
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  • 7
    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: 6 This Week
    Last Update:
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  • 8
    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: 6 This Week
    Last Update:
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  • 9
    An open plugin providing a full Python Debugging graphical interface and shell for either JEDIT editor or NETBEANS ide. Python\'s debugger backend is implemented as a networking debugger inheriting the standard dbd.py python debugging kernel ,frontend
    Downloads: 4 This Week
    Last Update:
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  • Combine Jira and SCM data to improve team performance Icon
    Combine Jira and SCM data to improve team performance

    For engineering leaders who need to foster alignment with the business and streamline their operations for better efficiency and higher productivity

    Jellyfish is the leading Engineering Management Platform, providing complete visibility into engineering organizations, the work they do, and how they operate. By analyzing engineering signals from Git and Jira, qualitative team feedback, and contextual business data from roadmapping, incident response, HR, calendar, and collaboration tools, Jellyfish enables engineering leaders to align engineering decisions with business initiatives and deliver the right software, efficiently, on time. With Jellyfish, engineering leaders can focus their teams on what matters most to the business, driving strategic decisions and delivering results.
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  • 10
    We extend the Eclipse IDE with tools for development in Haskell, a functional programming language, providing support for a wide range of tools (compilers, interpreters, doc tools etc.) in a coherent, convenient and configurable environment.
    Downloads: 1 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: 2 This Week
    Last Update:
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  • 12
    log4sql support logging all SQL without source change. You will know pleasure in developing. I'm sure!.
    Downloads: 3 This Week
    Last Update:
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  • 13
    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:
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  • 14
    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
    Last Update:
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  • 15
    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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  • 16
    Follow is a simple Java application which allows a user to monitor several log files concurrently. The source for this project is now being maintained at http://hallwaytech.github.com/follow
    Downloads: 2 This Week
    Last Update:
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  • 17
    NetworkTools has 2 components: A protocol analyzer which plays a TCP client or server or pipeline, which sits between a client and server and shows how they communicate. A port scanner can scan a range of IP addresses and ports. See screenshots.
    Downloads: 2 This Week
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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: 1 This Week
    Last Update:
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  • 19
    YARI is a comprehensive tool suite to debug (layouts), spy, spider, inspect and navigate SWT and Eclipse based application GUIs (Workbench or RCP) at runtime.
    Downloads: 1 This Week
    Last Update:
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  • 20
    Java Class and Byte Code verifier. Verifies static class file structure, external references, analyzes operand stack and local variables through byte code execution emulation. Includes CLDC standard verfication.
    Downloads: 1 This Week
    Last Update:
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  • 21
    JAVA Program to Sequence Diagram Generator. This tool tries to help on analysing and understanding the behavior of the code when developping JAVA applications by generating the respective Sequence Diagram automatically at program execution.
    Downloads: 1 This Week
    Last Update:
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  • 22
    Distributed logging service for JADE agent framework, utilizing features of Log4j and Chainsaw projects.
    Downloads: 1 This Week
    Last Update:
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  • 23
    This community edition of the RPG Toolkit provides an unofficial advancement of the software; the initial goal is to rewrite the editor, followed in the future by a rewrite of the game engine. We aim to build on work done the community in developing
    Downloads: 1 This Week
    Last Update:
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  • 24
    Introspect on running programme, view and alter object fields and methods. Edit the code of any method at runtime; apply the changes to any combination of objects, such as an array, or a complete class. Complete rewrite underway available Jan 2007.
    Downloads: 1 This Week
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    See Project
  • 25
    Seksen is a GUI based 8086, 80186 emulator and debugger in Java.
    Downloads: 1 This Week
    Last Update:
    See Project