Free IDA AlternativesTop Decompilers and other similar apps like IDA

The best free alternative to IDA is Ghidra, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to IDA and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to IDA are x64dbg, radare2, Malcat and OllyDbg.

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Alternatives list

  1. Ghidra icon

    Ghidra

     32 likes
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    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...

    21 Ghidra alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Ghidra screenshot 1
     
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    Comments about Ghidra as an Alternative to IDA
    Unk42 Roman M
    Positive
    3

    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.

    IDA Icon
    Ghidra icon

    • Almost everyone thinks Ghidra is a great IDA alternative.

    • Ghidra is the most popular Windows, Mac & Linux alternative to IDA.

    • Ghidra is the most popular Open Source & free alternative to IDA.

    • Ghidra is Free and Open SourceIDA is Free Personal and Proprietary
  2. x64dbg icon

    x64dbg

     51 likes
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    x64dbg is a 64-bit assembler-level debugger for Windows. The corresponding 32-bit debugger is called x32dbg.

    18 x64dbg alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    x64dbg screenshot 1
     
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    13
  4. radare2 icon

    radare2

     20 likes
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    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, ...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • C (programming language)
    • Git
    • Haiku
    • Docker
    The new WebUI
     
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    • Most users think radare2 is a great IDA alternative.

    • radare2 is the most popular Android, iPhone, iPad & Android Tablet alternative to IDA.

    • radare2 is Free and Open SourceIDA is Free Personal and Proprietary
  5. Malcat icon

    Malcat

     8 likes
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    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.

    29 Malcat alternatives

    Cost / License

    • Freemium (Pay once or Subscription)
    • Proprietary

    Application type

    Platforms

    • Windows
    • Linux
    Malcat screenshot 1
     
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    13
  6. OllyDbg icon

    OllyDbg

     57 likes
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    OllyDbg is a 32-bit assembler level analysing debugger. Emphasis on binary code analysis makes it particularly useful in cases where source is unavailable.

    23 OllyDbg alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    Main program
     
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    6
  7. Rizin icon

    Rizin

     5 likes
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    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Linux
    • Android
    • Mac
    • BSD
    Disassembly view
     
  9. GNU Project Debugger icon

    GNU Project Debugger

     38 likes
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    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...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Cygwin
    • Haiku
     
  10. radare icon

    radare

     18 likes
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    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.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
     
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  11. Cutter icon

    Cutter

     12 likes
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    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.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Haiku
    Cutter screenshot 1
     
  12. EDB (Evan's Debugger) icon

    EDB (Evan's Debugger)

     9 likes
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    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.

    14 EDB (Evan's Debugger) alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Linux
    • Flathub
    EDB (Evan's Debugger) screenshot 1
     
  13. WinDbg icon

    WinDbg

     10 likes
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    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.

    16 WinDbg alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
    WinDbg screenshot 1
     
  14. dnSpyEx icon

    dnSpyEx

     4 likes
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    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:

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    dnSpyEx screenshot 1
     
12 of 24 IDA alternatives