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Free IDA Alternatives

The best free alternative to IDA is x64dbg, 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 Ghidra, OllyDbg, radare2 and Okteta.

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IDA iconIDA
  52
  • Mac
  • Windows
  • Linux

The IDA Pro Disassembler and debugger is a multi-processor disassembler and debugger hosted on the Windows, Linux and Mac...

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  1. x64dbg icon

    x64dbg

    13 alternatives to x64dbg 

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

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    x64dbg vs IDA opinions
    Most users think x64dbg is a great alternative to IDA.
  2. Ghidra icon

    Ghidra

    • Mac
    • Windows
    • Linux
    15 alternatives to Ghidra 

    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...

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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 ago
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  3. OllyDbg icon

    OllyDbg

    • FreeProprietary
    • Windows
    20 alternatives to OllyDbg 

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

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    Discontinued

    The program is no longer updated.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

    Main program
  4. radare2 icon

    radare2

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • C (programming language)
    • Git
    • Haiku
    • Docker
    15 alternatives to radare2 

    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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    The new WebUI
    radare2 vs IDA opinions
    Most users think radare2 is a great alternative to IDA.
  5. Okteta icon

    Okteta

    • FreeOpen Source
    • Windows
    • Linux
    40 alternatives to Okteta 

    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.

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  6. Malcat icon

    Malcat

    • Windows
    • Linux
    21 alternatives to Malcat 

    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.

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    1.  Malware AnalysisMalcat can inspect a suspicious file or URL to detect potential threats.
    2.  Extensible by Plugins/ExtensionsMalcat can be extended with add-ons, plugins and extensions.
    Screenshot
    Summary view
  7. Ghex icon

    Ghex

    • FreeOpen Source
    • Linux
    26 alternatives to Ghex 

    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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  8. GNU Project Debugger icon

    GNU Project Debugger

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD
    • Cygwin
    14 alternatives to GNU Project Debugger 

    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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    1.  Command line interfaceGNU Project Debugger either have CLI support or is a CLI-only app.
    GNU Project Debugger vs IDA opinions
    Some users think GNU Project Debugger is a great alternative to IDA, some don't.
  9. radare icon

    radare

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    7 alternatives to radare 

    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.

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    Features
    1.  Malware Analysisradare can inspect a suspicious file or URL to detect potential threats.
    radare vs IDA opinions
    Most users think radare is a great alternative to IDA.
  10. Cutter icon

    Cutter

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    20 alternatives to Cutter 

    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.

     Cutter has no features, suggest some!
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Showing 10 of 21 alternatives
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