C# Decompiler

Open-source C# projects categorized as Decompiler

Top 11 C# Decompiler Projects

  1. ILSpy

    .NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

  2. CodeRabbit

    CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

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  3. dnSpy

    Unofficial revival of the well known .NET debugger and assembly editor, dnSpy (by dnSpyEx)

    Project mention: dnSpyEx: .NET Debugger and Assembly Editor | news.ycombinator.com | 2025-01-15
  4. AssetRipper

    GUI Application to work with engine assets, asset bundles, and serialized files

    Project mention: AssetRipper: A GUI Tool for Engine Assets and Asset Bundles | news.ycombinator.com | 2024-08-13
  5. reko

    Reko is a binary decompiler.

    Project mention: Reko – A General Purpose Decompiler | news.ycombinator.com | 2024-06-05
  6. Cpp2IL

    Work-in-progress tool to reverse unity's IL2CPP toolchain.

  7. ValveResourceFormat

    🔬 Valve's Source 2 resource file format parser, decompiler, and exporter.

    Project mention: Ask HN: Parser for the vdata format used in the Source 2 engine? | news.ycombinator.com | 2024-08-12

    Maybe https://github.com/ValveResourceFormat/ValveResourceFormat?t... ?

  8. AvaloniaILSpy

    Avalonia-based .NET Decompiler (port of ILSpy)

  9. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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  10. UndertaleModTool

    The most complete tool for modding, decompiling and unpacking Undertale (and other GameMaker games!)

  11. CodemerxDecompile

    The first standalone .NET decompiler for Mac, Linux and Windows

  12. UE-Explorer

    UnrealScript decompiler and explorer tool for Unreal Engine packages.

  13. yukatool2

    New and fresh version of yukatool, rewritten from the ground up to be much faster and more maintainable than its predecessor

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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C# Decompiler related posts

  • Ask HN: Parser for the vdata format used in the Source 2 engine?

    1 project | news.ycombinator.com | 12 Aug 2024
  • Source 2 Viewer

    1 project | news.ycombinator.com | 3 Jul 2024
  • Reko – A General Purpose Decompiler

    1 project | news.ycombinator.com | 5 Jun 2024
  • is there a way to use undertale mod tool on UNDERTALE: YELLOW? cuz i cant use it

    1 project | /r/UndertaleYellow | 11 Dec 2023
  • Rust takes forever to load

    1 project | /r/playrust | 8 Dec 2023
  • Found this exedecompiler.com website. Does anybody know it? Is it worth it?

    1 project | /r/software | 30 Oct 2023
  • C# Testing Playgrounds for old versions?

    3 projects | /r/dotnet | 26 Aug 2023
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    coderabbit.ai | 7 Feb 2025
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Index

What are some of the best open-source Decompiler projects in C#? This list will help you:

# Project Stars
1 ILSpy 22,240
2 dnSpy 7,724
3 AssetRipper 4,592
4 reko 2,237
5 Cpp2IL 1,827
6 ValveResourceFormat 1,688
7 AvaloniaILSpy 1,624
8 UndertaleModTool 1,243
9 CodemerxDecompile 304
10 UE-Explorer 188
11 yukatool2 16

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