Catch22 HexEdit has been discontinued. Similar apps include HxD, which is free. Other options are UltraEdit, YuHex, Hex Fiend and wxHexEditor. There's no shortage of Hex Editors like Catch22 HexEdit, with more than 25 alternatives for Windows, Linux, Mac and Android.
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.
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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.
DataWorkshop, a flexible, multiplatform binary data editor written in java. Implements power structure definition tool that allows to describe complex data structures inside files using loops and condition.
BinHex CryPactor, a tiny and portable application that can be used to manipulate binary and hexadecimal strings!
IT-Edit (Integrated Terminal Editor) provide a text editor with syntax highlight, line numbering and with the basics text editing functionalities, a file managing interface and terminals in the same window as the editor.
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.
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Free Hex Editor Neo - Fastest Binary File Editing Software for Windows. Large Files Optimized Freeware Hex Editor
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Replace, insert, delete, copy, and otherwise modify bytes and bits in multiple files. Perform bitwise operations on specified bytes with bitmasks and operators like NOT, AND, OR, XOR. Reverse order of specified bytes and bits. Compute file hashes.
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