dnSpy is a .NET assembly troubleshooter and editor that allows you to view, modify and troubleshoot assemblies even if you do not have the original source code.
dnSpy was reviewed by Horia Petrovanu
dnSpy is a portable tool and does not require installation on your computer. Unzip the contents of the archive to the desired directory, then launch the application file.
dnSpy displays a clearly structured interface, which should not be a problem. All functions available for the program are accessible from the menu bar. You can change the software parameters to model it according to your needs.
In conclusion, dnSpy integrates many interesting modules such as a debugger, a decompiler and a hex editor. The assembly editor allows you to analyze and modify the source code of the assemblies you want to explore.