​Ilspy– ILSpy is the open-source .NET assembly browser and decompiler.
​DotPeek – dotPeek is a free-of-charge standalone tool based on ReSharper’s bundled decompiler. It can reliably decompile any .NET assembly into equivalent C# or IL code.
vb5.0/6.0
VB Decompiler Lite 11 (p-code, VB6) – Best code recovery solution for Visual Basic 5.0/6.0 applications and fast disassembler for Visual Studio .NET compiled apps.
​WKTVBDebugger– A debugger for Visual Basic P-Code compiled apps.
DelphieDeDe– DeDe is a very fast program that can analyze executables compiled with Delphi.
​Relyze: Relyze Desktop is available in two editions, either Standard or Professional. Relyze Desktop Standard is free to use for non commercial purposes and is available to download below.
Relyze Desktop - Download
Interactive Delphi Reconstructor:
Release 27_01_2019 · crypto2011/IDR
GitHub
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AutoIt
AutoIt3 Decompiler – This application can be used to decompile AutoIt scripts.