Free IDA Alternatives

    The best free alternative to IDA is x64dbg, 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 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to IDA are radare2 (Free, Open Source), OllyDbg (Free), Ghidra (Free, Open Source) and GNU Project Debugger (Free, Open Source).

    This page was last updated Jan 6, 2021
    1. x64dbg is a 64-bit assembler-level debugger for Windows. The corresponding 32-bit debugger is called x32dbg.
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      Most users think x64dbg is a great alternative to IDA.

    2. radare2

      • Free • Open Source
      • Mac
      • Windows
      • Linux
      • Android
      • iPhone
      • Android Tablet
      • BSD
      • iPad
      • C (programming language)
      • Git
      • Haiku
      • Docker
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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, ...
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      Most users think radare2 is a great alternative to IDA.

    4. OllyDbg

      • Free • Proprietary
      • Windows
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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.

      Discontinued

      The program is no longer updated. Last version, 2.01, released in September 2013, can be still downloaded from the official website.

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    5. Ghidra is a software reverse engineering (SRE) framework created and maintained by the National Security Agency Research Directorate.
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      Ghidra vs IDA opinions
      Almost everyone thinks Ghidra is a great alternative to IDA.
      Unk42 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.
      Positive comment • about 2 years ago

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    6. 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...
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      Some users think GNU Project Debugger is a great alternative to IDA, some don't.
    8. Radare, the highly featured reverse engineering framework. NOTE: it is better to use the "radare 2", not the "radare".
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      Most users think radare is a great alternative to IDA.

    9. WinDbg

      • Free • Proprietary
      • Windows
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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.

    10. Cutter

      • Free • Open Source
      • Mac
      • Windows
      • Linux
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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.
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      • Ghex

        • Free • Open Source
        • Linux
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        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
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      • Okteta

        • Free • Open Source
        • Windows
        • Linux
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        Okteta is a simple editor for the raw data of files. This type of program is also called hex editor or binary editor. The data is displayed in the traditional view with two columns: one with the numeric values and one with the assigned characters.
      Showing 10 of 19 alternatives