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

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  • 1
    dnSpy

    dnSpy

    .NET debugger and assembly editor

    dnSpy is a free and open-source tool tailored for debugging, decompiling, and editing .NET and Unity assemblies—even without source code. It supports light/dark themes and portable use, making it popular among developers and reverse engineers.
    Downloads: 1,049 This Week
    Last Update:
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  • 2
    SharpDevelop

    SharpDevelop

    A free IDE for C#, VB.NET, & Boo projects on Microsoft's .NET platform

    SharpDevelop is the open-source IDE for the .NET platform. Write applications in languages including C#, VB.NET, F#, IronPython and IronRuby, as well as target rich and reach: Windows Forms or WPF, as well as ASP.NET MVC and WCF. It starts from USB drives, supports read-only projects, comes with integrated unit and performance testing tools, Git, NuGet and a lot more features that make you productive as a developer.
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    Downloads: 563 This Week
    Last Update:
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  • 3
    Decompiler

    Decompiler

    Binary executable decompiler

    Reko decompiler reads program binaries, decompiles them, infers data types, and emits structured C source code. Designed with a pluggable architecture, it currently has: - support for 68k, ARM, MIPS, PowerPC, Risc-V, Sparc, x86, Z80 processors and many more - support for EXE, Elf, AmigaOS Hunk executable formats and many more - support for MS-DOS, Win32, U*ix, AmigaOS , C64, ZX-81 Reko decompiler comes with a GUI and a command-line interface. Visit https://github.com/uxmal/reko for the GIT repository.
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    Downloads: 102 This Week
    Last Update:
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  • 4
    LuaEdit is an IDE/Text Editor/Debugger for the Lua language. Its interface looks like MS Visual Studio .Net� and includes syntax highlighting, code completion, advance breakpoint management, efficient search engines, etc. Client under GPL and server (core debugger) under LGPL.
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    Downloads: 27 This Week
    Last Update:
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  • PRTG Catches Network Issues Before They Cause Downtime Icon
    PRTG Catches Network Issues Before They Cause Downtime

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  • 5
    MoonSharp

    MoonSharp

    An interpreter for the Lua language, written entirely in C#

    A complete Lua solution is written entirely in C# for the .NET, Mono, Xamarin and Unity3D platforms. Support for the complete Lua standard library with very few exceptions (mostly located on the 'debug' module) and a few extensions (in the string library, mostly). Supports dumping/loading bytecode for obfuscation and quicker parsing at runtime. An embedded JSON parser (with no dependencies) to convert between JSON and Lua tables. Easy opt-out of Lua standard library modules to sandbox what scripts can access. Easy to use error handling (script errors are exceptions). Support for coroutines, including invocation of coroutines as C# iterators.
    Downloads: 1 This Week
    Last Update:
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  • 6
    Dotnet IL Editor (DILE) allows disassembling and debugging .NET 1.0/1.1/2.0/3.0/3.5 applications without source code or .pdb files. It can debug even itself or the assemblies of the .NET Framework on IL level.
    Downloads: 4 This Week
    Last Update:
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  • 7
    Tiny8051
    Tiny8051 is small 8051 microcontroller simulator written in C#. Project was created for educational purposes, to show how µP works by using clean visual interface and debugging. Note: communication over serial port was not implemented, because there was no demand for it.
    Downloads: 5 This Week
    Last Update:
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  • 8
    logview4net is a log viewer/log monitor for data created by various sources. It can listen to UDP, tail a file, tail a SQL table, monitor the eventlog and watch RSS and Atom feeds. It requires the Microsoft .NET Framework 2.0
    Downloads: 1 This Week
    Last Update:
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  • 9
    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: 4 This Week
    Last Update:
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  • 10
    iOS Crash Logs Tool [todo: remove]

    iOS Crash Logs Tool [todo: remove]

    iOS crash logs symbolicating for Windows

    Tool for iOS crash logs (crash report) symbolicating ( for OS Windows )
    Downloads: 1 This Week
    Last Update:
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  • 11
    Software Studio is an Integrated Development Environment (IDE) for C#, Java, VB.Net, Aspx, C++, Html, Xml, Php, JavaScript, Tex with multi-language support,syntax higlighting,code folding,code completetion,refactoring support
    Downloads: 1 This Week
    Last Update:
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  • 12
    This implements a fast and user-friendly log console window to use for debugging purposes of Windows applications (C# already). It is intended to replace the default Win32 console window for such purposes.
    Downloads: 1 This Week
    Last Update:
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  • 13

    Keyfile editor for Falcon BMS

    An editor for .key files for Falcon BMS 4.32

    This will help you edit those hard-to-understand .key files for your controller and keyboard setup with the game Falcon BMS 4.32 by Benchmarksims. Please refer to the thread on Benchmarksims forum for questions/suggestions/feedback where additional information and tutorial is avaliable (click Web Site-link below)
    Downloads: 1 This Week
    Last Update:
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  • 14
    An implementation of Kent Beck's famous XUnit testing framework designed specifically for unit testing components written for the .NET platform.
    Downloads: 0 This Week
    Last Update:
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  • 15

    .Net Memory Profiler

    .Net Memory Profiler

    .Net Memory Profiler is a single C# class that builds a tree of specified object's fields, their sub-fields and so on up to primitive types. And in the "Quick Watch" window of the Visual Studio you will be able to see the memory usage by each of those fields. For more details see screenshots.
    Downloads: 0 This Week
    Last Update:
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  • 16
    The ASL Notepad is a IDE for ACPI SourceLanguage with many Features like Syntax highlighting, Debugger, Compiler and so on. Currently available language is only German but we plan to integrate more lanuages in the next release.
    Downloads: 0 This Week
    Last Update:
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  • 17
    Visual Studio Add-In where developers can arrange their breakpoints via Drag'n'Drop in a tree structure to model a path of execution.
    Downloads: 0 This Week
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  • 18
    Integrated development environment for creating, editing, compiling, translating, debugging and profiling portable brainfuck programs.
    Downloads: 0 This Week
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  • 19

    C# DataTable StringBuilder Visualizer

    Visualize String, StringBuilder, Image, and DataTable in debug mode.

    Visualizer is a tool for .NET developers who use MS Visual Studio. In debug mode, it provides the ability to view and search objects of type String, StringBuilder, DataTable and Image, by clicking on the magnifying glass. Install by copying all files in the zip to your user folder: C:\Users\<username>\Documents\Visual Studio 2012\Visualizers\
    Downloads: 0 This Week
    Last Update:
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  • 20
    CRDebug is a debugger application targeted primarily for developers of high-performance applications like games. It allows for data to be captured at run-time and analyzed at later stages using various visualization plugins CRDebug provides.
    Downloads: 0 This Week
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  • 21
    ChecklistAgent - Unit testing for your runtime environment.
    Downloads: 0 This Week
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  • 22

    ClrDbg

    Tool for opening dmp files for .NET applications.

    ClrDbg can open a dmp file, or connect to a running process, and display information about the objects on the heap and their class information (such as field definitions and method signatures), threads and their call stacks. ClrDbg uses the Microsoft.Diagnostics.Runtime.dll (ClrMD). The user-interface allows the user to drill-down by clicking on hyperlinks in a grid view.
    Downloads: 0 This Week
    Last Update:
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  • 23
    Lightweight and easy to use logging framework for C#
    Downloads: 0 This Week
    Last Update:
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  • 24
    Debugging library for .NET (written in C#). Log as plain text, xml and treeviews into console, debug window, files and eventlog. Covers pretty much all debugging needs.
    Downloads: 0 This Week
    Last Update:
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  • 25
    Mock framework for c# which deal with static, non-virtual methods and sealed class.
    Downloads: 0 This Week
    Last Update:
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