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.

  • Passwordless Authentication and Passwordless Security Icon
    Passwordless Authentication and Passwordless Security

    Identity is everything. Protect it with Duo.

    It’s no secret — passwords can be a real headache, both for the people who use them and the people who manage them. Over time, we’ve created hundreds of passwords, it’s easy to lose track of them and they’re easily compromised. Fortunately, passwordless authentication is becoming a feasible reality for many businesses. Duo can help you get there.
    Get a Free Trial
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 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: 3,068,658 This Week
    Last Update:
    See Project
  • 2
    Java Decompiler, Disassembler and Bytecode debugger. Decompiler supports Java 5 (e.g. generics, for-each loops etc). Debugger allows user to step through each bytecode and view program state. Contains Swing GUI.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 3
    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: 1 This Week
    Last Update:
    See Project
  • 4
    A suite of Java ClassLoaders that use "load-time reflection" (the modification of bytecodes upon class loading) to extend existing Java classes. It uses the excellent BCEL library (http://bcel.sf.net).
    Downloads: 0 This Week
    Last Update:
    See Project
  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 5
    Este é um projeto acadêmico, desenvolvido pelos alunos da Univali do campus de São José, estudantes da Linguagens formais e autômatos. O objetivo deste trabalho é desenvolver um projeto de compiladores.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    A subset of the TestCon project, ConAn builds on Roast to provide a testing framework for concurrent Java components. For more details on the development of ConAn and TestCon/Crom, see http://longbrothers.net/brad/papers/thesis.pdf
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Cricket Cage automatically creates JUnit TestCases for repeatable bugs and test scenarios. Include Cricket Cage's AspectJ code to install a code generator, then run the program to generate the TestCase. Finally, add the test case to your build.xml.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Easy to use Java utility to collect method level performance data for any Java applications without modifying its code.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Tho goal of this project is to provide an integrated development environment for developing (x)Harbour applications on various platforms.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Our Free Plans just got better! | Auth0 by Okta Icon
    Our Free Plans just got better! | Auth0 by Okta

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your secuirty. Auth0 now, thank yourself later.
    Try free now
  • 10
    Java AS400 RPG source code editor, debugger, IDE.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    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:
    See Project
  • 13
    A highlevel API to instrument Java bytecode. Jiapi can be used to modify bytecode of a Java class before it is loaded into a virtual machine.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    MODOCC - MOnitoring of Distributed Object Communication for CORBA is a project that allows monitoring of invocations on remote CORBA objects.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Plugins for Maven 1.x (http://maven.apache.org/maven-1.x/) - manage all aspects of your project (tests, docs, distribution) from a single project descriptor! This project provides plugins that are not bundled with Maven due to differing licenses.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Quilt is a Java software development tool which measures coverage, the extent to which testing exercises the software under test. It works very well with Ant and JUnit but may also be used in conjunction with other products.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Visual DB Script is an editor PHP,ASP,HTML(can support other languages) that integrate the functionally of a Database Manager (like Access or MySQL). It supports Scripting Developers with specifical SQL commands and an SQL Query Designer
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    XTC4y is a collection of testing utilities for Java Code. It currently provides classes to instanciate an abstract class for testing the implemented methods, an invocation stack tracing the calls on an interface and a LogClassLoader. NOTE: DEVELOPMENT ST
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    jContractor is a tool to provide Design by Contract support to the Java programming language. Contracts are specified by writing methods that follow jContractor's naming convention.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    zCOBOL Portable Mainframe COBOL Compiler

    zCOBOL Portable Mainframe COBOL Compiler

    zCOBOL portable mainframe COBOL compiler, part of the z390 project

    The zCOBOL portable mainframe COBOL compiler with support for compiling multiple dialects of COBOL into any one of several target language executable programs including HLASM compatible mainframe assembler, Java, C++, or Intel assembler. All downloads and other information are kept at the z390 project site; see the home page link for more information.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next
Want the latest updates on software, tech news, and AI?
Get latest updates about software, tech news, and AI from SourceForge directly in your inbox once a month.