

Almost everyone thinks ILSpy is a great .NET Reflector alternative.
ILSpy is the most popular Windows alternative to .NET Reflector.
ILSpy is the most popular Open Source & free alternative to .NET Reflector.
- ILSpy is Free and Open Source
.NET Reflector is described as 'Decompile Any .NET Code' and is a Decompiler in the development category. There are nine alternatives to .NET Reflector for Windows, .NET Framework, Mac and Linux. The best .NET Reflector alternative is ILSpy, which is both free and Open Source. Other great apps like .NET Reflector are dnSpy, dotPeek, dnSpyEx and Explorer Suite.


Almost everyone thinks ILSpy is a great .NET Reflector alternative.
ILSpy is the most popular Windows alternative to .NET Reflector.
ILSpy is the most popular Open Source & free alternative to .NET Reflector.
dnSpy is a debugger and .NET assembly editor. You can use it to edit and debug assemblies even if you don't have any source code available.






Most users think dnSpy is a great .NET Reflector alternative.
What's Cool about dotPeek? Decompiling .NET 1.0-4.0 assemblies to C# Quick jump to a specific type, assembly, symbol, or type member Effortless navigation to symbol declarations, implementations, derived and base symbols, and more Accurate search for symbol usages with advanc.

dnSpyEx is an unofficial continuation of the dnSpy project which is a debugger and .NET assembly editor. You can use it to edit and debug assemblies even if you don't have any source code available. Main features:


Created by Daniel Pistelli, a freeware suite of tools including a PE editor called CFF Explorer and a process viewer. The PE editor has full support for PE32/64. Special fields description and modification (.


The MSIL Disassembler is a companion tool to the MSIL Assembler (Ilasm.exe). Ildasm.exe takes a portable executable (PE) file that contains Microsoft intermediate language (MSIL) code and creates a text file suitable as input to Ilasm.exe.
Zeta Resource Editor is a free application that enables you to edit standard Microsoft .NET string resources from multiple different resource files together inside one single data grid.

CFR will decompile modern Java features - Java 8 lambdas (pre and post Java beta 103 changes), Java 7 String switches etc, but is written entirely in Java 6. [ http://www.benf.org/other/cfr/ ].

CFR is the most popular Mac & Linux alternative to .NET Reflector.
GrayWolf is a .NET Decompiler that can edit the IL of a compiled .NET application. This Decompiler is targeted at hacking compiled .NET applications. This is a Beta product the IL editing is lacking and the deobfuscator is just getting going.

Has several similar features and is free + open source. Its UI is also up to date for 2020 users.