dnSpy is a portable debugger and .NET assembly editor for use when editing and debugging assemblies even if the source code isn't available.dnSpy is intended to assist in decompiling various assemblies allowing you to understand their functionality better. It is geared towards software developers that may need to reverse engineer .NET assemblies and handle obfuscated code by putting the required tools in one convenient location. Features: Debug .NET Framework, .NET Core and Unity game assemblies, no source code requiredSet breakpoints and step into any assemblyLocals, watch, autos windowsVariables windows support saving variables (eg. decrypted byte arrays) to disk or view them in the hex editor (memory window)Object IDsMultiple processes can be debugged at the same timeBreak on module loadTracepoints and conditional breakpointsExport/import breakpoints and tracepointsCall stack, threads, modules, processes windowsBreak on thrown exceptions (1st chance)Variables windows support evaluating C# / Visual Basic expressionsDynamic modules can be debugged (but not dynamic methods due to CLR limitations)Output window logs various debugging events, and it shows timestamps by default Assemblies that decrypt themselves at runtime can be debugged, dnSpy will use the in-memory image. You can also force dnSpy to always use in-memory images instead of disk files.Public API, you can write an extension or use the C# Interactive window to control the debugger
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Release Date: 5/01/2019 https://github.com/0xd4d/dnSpy/releases/download/v6.0.0/dnSpy.zip