There are many alternatives to IDA for Linux if you are looking for a replacement. The best Linux alternative is Ghidra, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to IDA and 19 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to IDA are radare2, Malcat, GNU Project Debugger and Binary Ninja.
Ghidra is a software reverse engineering (SRE) framework created and maintained by the National Security Agency Research Directorate. This framework includes a suite of full-featured, high-end software analysis tools that enable users to analyze compiled code on a variety of...
Radare project started as a forensics tool, a scriptable commandline hexadecimal editor able to open disk files, but later support for analyzing binaries, disassembling code, debugging programs, attaching to remote gdb servers, ...
Malcat is a 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.
GNU Project Debugger, or gdb, is a command-line, source-level debugger for programs that were written in C, C++, D, Objective-C, Fortran, Java, Pascal, assembly, Modula-2, or Ada and compiled for any of a number of different target architectures including x86, x86-64, IA-64...
Radare, the highly featured reverse engineering framework. NOTE: it is better to use the "radare 2", not the "radare".
Features
Multi-architecture and multi-platform GNU/Linux, Android, *BSD, OSX, iPhoneOS, Windows{32,64} and Solaris i808.
Rizin is a feature rich reverse engineering framework in development, focusing on stability and high code quality, a welcoming and curious community culture and implementation of cutting edge binary analysis research.
Hopper is a reverse engineering tool for OS X and Linux, that lets you disassemble, and decompile your 32/64bits Intel Mac, Linux, Windows and iOS executables!
Cutter goal is to be an advanced FREE and open-source reverse-engineering platform while keeping the user experience at mind. Cutter is created by reverse engineers for reverse engineers.
EDB (Evan's Debugger) is a Qt4 based binary mode debugger with the goal of having usability on par with OllyDbg. It uses a plugin architecture, so adding new features can be done with ease. The current release is for Linux, but future releases will target more platforms.
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.
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The tool has a graphical interface. It is open source software, and I never thought that such a large organization would make such a major contribution to the development of free software and other similar programs for the community.