ILSpy vs YoutubeDownloader

ILSpy and YoutubeDownloader share 3 technologies: Avalonia.Desktop, Avalonia, and CommunityToolkit.Mvvm. Both are written in C#.

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What they share and what sets them apart

icsharpcode

ILSpy

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

C#27kRead on November 8, 2026, at commit 085a36dWhat is ILSpy built with?

Only in ILSpy

  • Microsoft.Extensions.Hosting
  • Avalonia.AvaloniaEdit
  • ProDataGrid
  • Svg.Controls.Skia.Avalonia
  • Xaml.Behaviors.Avalonia
  • AvaloniaEdit.TextMate
  • Magick.NET-Q8-AnyCPU

In common

Only in YoutubeDownloader

  • DialogHost.Avalonia
  • TagLibSharp
  • Markdig

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ILSpy403,634 lines written1,191 code files
YoutubeDownloader5,051 lines written68 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
ILSpy12.8% of its commits signed by AIWith Claude Code, GitHub Copilot, and opencode
YoutubeDownloader3.7% of its commits signed by AIWith GitHub Copilot and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ILSpyLast push November 8, 20269,052 commits27,012 stars
YoutubeDownloaderLast push November 6, 2026709 commits16,657 stars
TestsThe files that test the code, and the share of code files a test imports.
ILSpy721 test files41.1% of its code files have a test that imports them
YoutubeDownloader0 test files

Frequently asked questions

Which is bigger, ILSpy or YoutubeDownloader?
ILSpy, with 403,634 lines written; YoutubeDownloader has 5,051.

The proof: icsharpcode/ILSpy's code at commit 085a36d

Which has more GitHub stars, ILSpy or YoutubeDownloader?
ILSpy, with 27,012 stars; YoutubeDownloader has 16,657.

The proof: icsharpcode/ILSpy on GitHub

Which has more tests, ILSpy or YoutubeDownloader?
ILSpy, with 721 test files.

The proof: icsharpcode/ILSpy's code at commit 085a36d

Which was updated more recently, ILSpy or YoutubeDownloader?
ILSpy: its last push was on November 8, 2026, and YoutubeDownloader's on November 6, 2026.

The proof: icsharpcode/ILSpy's commits on GitHub

Which has more commits signed by AI, ILSpy or YoutubeDownloader?
ILSpy: an AI signed 12.8% of its commits, with Claude Code, GitHub Copilot, and opencode; in YoutubeDownloader, 3.7%.

The proof: the commits each tool signed in icsharpcode/ILSpy

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