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:


Malcat is described as 'Feature-rich hexadecimal editor / disassembler / decompiler for reverse engineers and malware analysts. It has support for many file formats and CPUs, can scan for signatures, decrypt/decompress data, diff files and run python scripts' and is a Decompiler in the development category. There are more than 25 alternatives to Malcat for a variety of platforms, including Windows, Linux, Mac, BSD and Android apps. The best Malcat alternative is ImHex, which is both free and Open Source. Other great apps like Malcat are HxD, Ghidra, IDA and Rizin.
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:


angr is an open-source binary analysis platform for Python. It combines both static and dynamic symbolic ("concolic") analysis, providing tools to solve a variety of tasks.
PE Explorer is the most feature-packed program for inspecting the inner workings of your own software, and more importantly, third party Windows applications and libraries for which you do not have source code.




pestudio implements a rich set of features that is especially designed to retrieve every single detail of any executable file. Results are checked against the Microsoft specification. Additionally, the content of the file being analyzed is checked against several white and black...


REDasm is a cross platform disassembler with a modern codebase useful from the hobbyist to the professional reverse engineer.




GHex - a hex editor for GNOME
GHex allows the user to load data from any file, view and edit it in either hex or ascii.
Useful for debugging problems with object code or encodings.
Also used by kids who cheat at computer games, by adding score or lives to saved games.


A cross-platform (Windows, Linux, Mac, BSD) hex editor for reverse engineering, and everything else.





Binary Workbench is the most popular Web-based alternative to Malcat.
BinEd is a hex editor tool, which allows to directly browse and edit content of any file or binary data.




You got a binary file and don't know its contents. Or some software creates binary files where you have a specification but don't want to decode them manually.




Hiew (short for Hackers view) is a popular console hex editor for DOS and Windows written by Eugene Suslikov (sen). Amongst its feature set is its ability to view files in text, hex and disassembly mode.

HT is a file editor/viewer/analyzer for executables. The goal is to combine the low-level functionality of a debugger and the usability of IDEs. We plan to implement all (hex-)editing features and support of the most important file formats.

