Kaitai Struct Alternatives

010 Editor: Professional hex editor with Binary Templates. A fast, flexible, easy-to-use hex editor.

WinHex hex editor, disk editor, RAM editor. Binary editor for files, disks, and RAM. Download HEX EDITOR. Sector editor. Drive editor.

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HxD is a carefully designed and fast hex editor which, additionally to raw disk editing and...

You got a binary file and don't know its contents.

A fast and clever open source HEX editor for Mac OS X.

HexEdit is a Windows hex editor, user-friendly and reliable with advanced features (full undo...

iBored is not a pure hex editor but rather a disk block editor, which also can be used to edit files in hex.

ImHex is a free, featureful Hex Editor with many tools often only found in paid products. It includes a custom built scripting language for highlighting and decoding binary data, a disassembler, extensive file analysis tools and much much more

Open Source

Hex Workshop: Hex Editor, Sector Editor, Base Converter and Hex Calculator for Windows

The professional Hex Editor for Windows and Linux.

MadEdit is an Open-Source and Cross-Platform Text/Hex Editor written in C++ and wxWidgets.

Framework for dealing with binary encoded data declaratively in Java.

Safer-Networking offers a comprehensive set of tools. This one helps you to understand more of your data files.