Okteta is described as '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' and is a Hex Editor in the development category. There are more than 25 alternatives to Okteta for a variety of platforms, including Windows, Mac, Linux, BSD and Xfce apps. The best Okteta alternative is ImHex, which is both free and Open Source. Other great apps like Okteta are Ghidra, HxD, UltraEdit and IDA.
PilotEdit Lite is an advanced text and hex editor that supports opening of files larger than 4GB. It offers customizable syntax and keyword highlighting, advanced search and replace operations, HEX mode, column mode, and more.
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.
Bangladesh
BEYE (Binary EYE) is a free, portable, advanced file viewer with built-in editor for binary, hexadecimal and disassembler modes. It contains a highlight AVR/Java/i86-AMD64/ARM-XScale/PPC-64 and other disassembler, full preview of MZ,NE,PE,ELF and other.
You got a binary file and don't know its contents. Or some software creates binary files where you have a specification but don't want to decode them manually.
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Hex Editor Neo is a binary files editing software utility for Windows. It's rich and handy set of features will help all software and hardware developers working with ASCII, hex, decimal, float, double and binary data.
United Kingdom
Hiew (short for Hackers view) is a popular console hex editor for DOS and Windows written by Eugene Suslikov (sen). Amongst its feature set is its ability to view files in text, hex and disassembly mode.
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Open Source powerful and flexible Hex-Editor, with multiple colour-schemes that allow easy visual indication of byte-magnitude.
BinHex CryPactor, a tiny and portable application that can be used to manipulate binary and hexadecimal strings!
Climacs is an open source Emacs-like text editor written in Common Lisp. It has a good integration with other CLIM-based applications and uses Common Lisp Interface Manager (CLIM) library, called ESA, that provides an Emacs-style user interface, rather than the normal CLIM UI.
United States
JujuEdit is a file editor, or alternatively a text editor with knobs-on. It is an application designed for me and people like me. At its simplest, it makes a fine replacement for Notepad. It may appeal more to computer nerds who like syntax hilighting and advanced find/replace...
