IDA is described as 'A disassembler and decompiler with robust support for various processors and file formats, offering pseudocode similar to original source code' and is a popular Decompiler in the development category. There are more than 25 alternatives to IDA for a variety of platforms, including Windows, Linux, Mac, BSD and Haiku apps. The best IDA alternative is Ghidra, which is both free and Open Source. Other great apps like IDA are x64dbg, radare2, Malcat and Binary Ninja.
WinDbg is a multipurposed debugger for Microsoft Windows, distributed on the web by Microsoft as part of the Debugging Tools for Windows. It can be used to debug user mode applications, drivers, and the operating system itself in kernel mode.
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:
REDasm is a cross platform disassembler with a modern codebase useful from the hobbyist to the professional reverse engineer.
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.
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.
JEB is a disassembler and decompiler software for Android applications and native machine code. It decompiles Dalvik bytecode to Java source code, and x86, ARM, MIPS, RISC-V, WebAssembly, Ethereum contracts, S7 PLC blocks to pseudo C source code.
Spray is a small debugger for C code that comes with minimal mental overhead. All functionality aims to be simple and easy to grasp.
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.
Relyze is an interactive software reverse engineering and analysis platform with the following main features:
Immunity Debugger is a powerful new way to write exploits, analyze malware, and reverse engineer binary files. It builds on a solid user interface with function graphing, the industrys first heap analysis tool built specifically for heap creation, and a large and well supported...
Panopticon is a cross platform disassembler for reverse engineering written in Rust. It has functions for disassembling, analysing decompiling and patching binaries for various platforms and instruction sets.
United States
France
EU
Russia
Ireland
IDA Pro is a full suite of tools geared towards disassembling and debugging, reverse engineering in general.
HIEW, on the other hand, is just a hex editor with crude disassembly and executable structure analysis capabilities.