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

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  • 1
    Lazarus

    Lazarus

    Rapid applications development tool and libraries for FPC

    The Lazarus IDE is a stable and feature rich visual programming environment for the FreePascal Compiler. It supports the creation of self-standing graphical and console applications and runs on Linux, FreeBSD, MacOSX and Windows.
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    Downloads: 22,314 This Week
    Last Update:
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  • 2
    Lazarus Code and Component Repository
    Lazarus is a free and open source development tool for the Free Pascal Compiler. The purpose of this project is to serve as a Code Repository, Wiki Knowledgebase and support site for converting existing components and libraries to work with Lazarus and the Free Pascal Compiler.
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    Downloads: 405 This Week
    Last Update:
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  • 3
    After a program has been thrown into the world in binary form, it can boomerang back as source code. The Boomerang reverse engineering framework is the first general native executable decompiler available to the public.
    Downloads: 66 This Week
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  • 4
    Boa Constructor - wxPython GUI Builder
    A RAD GUI Building IDE for wxPython.
    Downloads: 8 This Week
    Last Update:
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    ELFIO

    A header-only C++ library for accessing files in ELF binary format

    ELFIO is a header-only C++ library intended for reading and generating files in the ELF binary format
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    Downloads: 7 This Week
    Last Update:
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  • 6
    Unfortunately this project has been suspended. If you wish to continue its development on your own, please feel free to contact me. UnPyc is a tool for disassembling, analyzing and decompiling Python's *.pyc and *.pyo files. UnPyc supports Python 2.5, 2.6.
    Downloads: 4 This Week
    Last Update:
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  • 7
    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: 6 This Week
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  • 8
    A PDB file dumper and C++ wrapper library for the Microsoft Debug Information (DIA) 2.0 SDK.
    Downloads: 2 This Week
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  • 9
    Synthesis is a RAD tool and C++ IDE (like VB or BCB). It eases the creation of Win32 programing though visual programming and class wizards. Using opensource framework and minGW Synthesis provides a extendable and powerful development environment.
    Downloads: 2 This Week
    Last Update:
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  • 10
    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: 2 This Week
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  • 11
    xacc.ide is a opensource IDE aimed at mainly .NET development. It has a code editor written in 100% C# code, which is faster than most commercial offerings.
    Downloads: 1 This Week
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  • 12
    Tho goal of this project is to provide an integrated development environment for developing (x)Harbour applications on various platforms.
    Downloads: 1 This Week
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  • 13
    XPHP is an IDE authoring tool for Windows that allows you to design, develop, test, debug and deploy PHP applications. [This project has been discontinued since 2005]
    Downloads: 1 This Week
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  • 14
    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
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  • 15

    AOP for Erlang

    Aspect Oriented Programming (AOP) for Erlang

    Implementation of Aspect Oriented Programming (AOP) for Erlang. The AOP weaver is running against a target set of source files and controlled by aspect definitions. The weaver is implemented as a parse transformation function of Erlang compiler.
    Downloads: 0 This Week
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  • 16
    Integrated development environment for creating, editing, compiling, translating, debugging and profiling portable brainfuck programs.
    Downloads: 0 This Week
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  • 17
    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
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  • 18
    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
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  • 19
    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
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  • 20
    Easy to use Java utility to collect method level performance data for any Java applications without modifying its code.
    Downloads: 0 This Week
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  • 21
    Java AS400 RPG source code editor, debugger, IDE.
    Downloads: 0 This Week
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  • 22
    Downloads: 0 This Week
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  • 23
    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
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  • 24
    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
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  • 25
    The Language Processing Agency provides agents and an agent-oriented infrastructure for developing language processors in .NET. Typical language processors are transformation tools, extraction tools, language interpreters, etc.
    Downloads: 0 This Week
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