GNU poke: The extensible editor for structured binary data

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  • ImHex

    🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.

    Haven't watched the full video, but this looks similar ImHex (, which also includes a pattern language thing to describe the structure of data. I used it once for a project, and it was useful when it worked, although I ran into some limitations when trying to model container formats.

    Maybe it could do that and I just couldn't figure it out at the time, but if you have say a zip file with different file formats, you couldn't tell the language to switch between different structures based on like an index or a header that tells you the format of a subsection. It was a limitation of the pattern language.

    I wonder if GNU poke is more advanced in that regard? A tool like this would be super useful for debugging custom binary formats, but some formats can get pretty complex.

  • Kaitai Struct

    Kaitai Struct: declarative language to generate binary data parsers in C++ / C# / Go / Java / JavaScript / Lua / Nim / Perl / PHP / Python / Ruby

    * Kaitai Struct -

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  • fq

    jq for binary formats - tool, language and decoders for working with binary and text formats

    Oh, this is one I hadn't heard of. There are several different takes on this idea, and I've had the idea to make my own for some years, too (not enough free time...)

    But for those interested, here are some other tools in this vein:

      * fq - like jq for binary data:

  • kaitai_struct_visualizer

    Kaitai Struct: visualizer and hex viewer tool

    ** visualizer, for the above:

  • HexFiend

    A fast and clever hex editor for macOS

    * HexFiend - a hex editor, but with "binary templates" feature :

  • binspector

    A binary format analysis tool

  • binary-parsing

    A list of generic tools for parsing binary data structures, such as file formats, network protocols or bitstreams

    * binary-parsing -

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  • unblob

    Extract files from any kind of container formats

  • pkgsrc

    Automatic conversion of the NetBSD pkgsrc CVS module, use with care

    It's a bit overkill for only building Poke, but you can use Pkgsrc [1] to do so on macOS:

    Bootstrap Pkgsrc:

    git clone

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