Open Source Apps with 'Hex Editor' feature

Open source tool for modifying single player games with memory scanning and debugging, featuring a speedhack, trainer maker, and more.

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

CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. Runs client-side in your browser via the website or as a downloadable html file.

wxMEdit is a cross-platform text and hex editor, derived from MadEdit . It adds automatic updates, bookmarks, selecting lines with a tripple click, a FreeBASIC syntax file, more supported encodings (L1, CP850, CP437 etc, KOI8, UTF-x), better...

Rizin is a feature rich reverse engineering framework in development, focusing on stability and high code quality, a welcoming and curious community culture and implementation of cutting edge binary analysis research.

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.

Hex Editor. Support editing or comparing (diff) very large files up to 2^64 bytes. Cross-platform Linux, Mac OS, Windows.

A fast and clever open source hex editor for macOS.

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.

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.

Bless is a high quality, full featured hex editor. It is written in mono/Gtk# and its primary platform is GNU/Linux. However it should be able to run without problems on every platform that mono and Gtk# run on.

A system-wide color picking utility for Windows to pick colors from any screen and copy it in a configurable format to your clipboard.

BinEd is a hex editor tool, which allows to directly browse and edit content of any file or binary data.

Bit Slicer is a universal game trainer for OS X that allows you to search and modify values in video games such as: score, lives, ammunition, and much more.

A cross-platform (Windows, Linux, Mac, BSD) hex editor for reverse engineering, and everything else.

Bodev is a developper toolbox, optimized for having many tools, especially for low-level developpers, including tools such as a CBOR parser, and other binary related tools.

HexEdit is a hexadecimal file editor for Microsoft Windows. HexEdit allows the user to view and edit any type of file, no matter what format it is saved in.

Kaitai Struct is a formal language for binary format specification that can be compiled into parser code in Java, JavaScript, Python and Ruby.

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

HexEdit is a Windows hex editor, user-friendly and reliable with advanced features (full undo, macros, background searches, calculator, full customization, edits huge files).

Frhed(Free hex editor) is an binary file editor for Windows. It is small but has many advanced features like ability to load big files partially. String replacement, multi-language, and other features.

BizHawk is a multi-system emulator designed predominantly around the production of Tool Assisted Speedruns (TAS). BizHawk focuses on core accuracy and power user tools while still being an easy-to-use emulator for casual gaming.

HT is a file editor/viewer/analyzer for executables. The goal is to combine the low-level functionality of a debugger and the usability of IDEs. We plan to implement all (hex-)editing features and support of the most important file formats.

Lightweight HEX-Editor.

Blue Print works on Windows and Linux platforms, and will soon support OSX and BSD.