Best Kaitai Struct Alternatives & Competitors in 2025

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

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

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

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

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

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

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

The professional Hex Editor for Windows and Linux.

Framework for dealing with binary encoded data declaratively in Java.

The best-of-breed binary code analysis tool, an indispensable item in the toolbox of world-class software analysts, reverse engineers, malware analyst and cybersecurity professionals.

Okteta is a simple editor for the raw data of files.

Themeable hex editor with diff mode for tracking file changes.

A free source code editor which supports several programming languages running under the MS Windows environment.

Open Source