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This repository was archived by the owner on Jul 21, 2025. It is now read-only.

icsharpcode/AvaloniaILSpy

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Archival Notice

As outlined in issue #136 we were looking for maintainers, but nobody stepped forward. Thus it has been unmaintained for a very long period of time, and we decided to archive the repository.

Alternative: ilspy-vscode has more features than AvaloniaILSpy ever had and is available on all platforms thanks to VS Code. See feature comparison for what is not there compared to the WPF/Windows version of ILSpy. All future xplat work is focused on the VS Code extension.

We do not intend to resurrect a "copy of ILSpy with UI framework XYZ" as this project has proven how hard it is to keep a copy up to date.

AvaloniaILSpy Build AvaloniaILSpy

This is cross-platform version of ILSpy built with Avalonia.

Supported Features

  • Decompilation
  • Analyze Window
  • Search for types/methods/properties (substring)
  • Hyperlink-based type/method/property navigation
  • Extensible via MEF Extensibility (Check out TestPlugin folder). Note: This is not compatible with ILSpy Plugins.
  • Check out feature support status

Download

Stable Release

https://github.com/icsharpcode/AvaloniaILSpy/releases

Bleeding-edge Builds

Grab artifacts from the latest master CI build. This includes Linux, Mac and Windows.

How to run on Linux:

  • just open it
  • if you have trouble, please try to grant it the rights to execute chmod a+x ILSpy
  • you could also run it in command line by ./ILSpy

How to run on Mac:

  • just move the app into /Applications folder and open it
  • run xattr -rd com.apple.quarantine /Applications/ILSpy.app
  • if you see “ILSpy” cannot be opened because the developer cannot be verified., please open up System Preferences -> Security & Privacy -> General -> Open Anyway
  • if you see the error The application ILSpy can't be opened' error on launch, you could chmod +x "/Applications/ILSpy.app/Contents/MacOS/ILSpy"

Build from sources

  1. Install dotnet 6 or above from https://dotnet.microsoft.com/en-us/download/dotnet
  2. Clone repository : git clone https://github.com/icsharpcode/AvaloniaILSpy.git.
  3. Run build script: dotnet tool restore and dotnet cake
  4. Artifacts will be located in subdirectory artifacts.