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That one website that lets an AI take apart an app to show how it works

Why it's the pick

Connect it to your AI agent and ask how a feature in an app or website works. It inspects native programs, Electron and JavaScript apps and .NET files without the source code, then explains what it found with the evidence. It runs on your own computer and is free and open source (MIT). You need Node.js, and a code-focused agent like Claude Code or Cursor to drive it.

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2 good alternatives

Ghidra ghidra-sre.org Free open-source decompiler from the NSA. Powerful, but you drive it yourself. FreeNo signup Link checked Oct 9
jadx github.com Free decompiler that turns Android apps back into readable Java code. FreeNo signup Link checked Oct 9

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