010 Editor is described as 'Professional text/hex editor designed to edit any file, drive, or process on your machine. Using Binary Templates technology, 010 Editor allows a binary file to be parsed into a data structure that can be understood' and is a Hex Editor in the development category. There are more than 25 alternatives to 010 Editor for a variety of platforms, including Windows, Linux, Mac, BSD and FreeBSD apps. The best 010 Editor alternative is ImHex, which is both free and Open Source. Other great apps like 010 Editor are HxD, dz6, UltraEdit and wxHexEditor.
BinEd is a hex editor tool, which allows to directly browse and edit content of any file or binary data.
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.
A cross-platform (Windows, Linux, Mac, BSD) hex editor for reverse engineering, and everything else.
XVI32 is a freeware hex editor. XVI32 has the following main features.
Kaitai Struct is a formal language for binary format specification that can be compiled into parser code in Java, JavaScript, Python and Ruby.
A hexadecimal low level disk editor with extensive templates for NTFS, FAT and exFAT partitions
WinHex is a hexadecimal editor capable of opening disks, sectors, files (native support for FAT, NTFS, Ext2/3, ReiserFS, Reiser4, UFS, CDFS, UDF) and physical memory (RAM). It can read, write and extract data for a further forensic analysis.
HexEd.it is a free hex editor for all modern operating systems. It uses web technology to enable online hexediting, directly in the browser. Analyse binary dumps and files, read, manipulate, write, import and export any data in this webapp.
The Hex Workshop Hex Editor by BreakPoint Software is a complete set of hexadecimal development tools for Microsoft Windows 2000 and later. Hex Workshop combines advanced binary editing and data interpretation with the ease and flexibility of a modern word processor.
HexEdit is a Windows hex editor, user-friendly and reliable with advanced features (full undo, macros, background searches, calculator, full customization, edits huge files).
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.
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Free / open source replacement, does anything that 010 Editor does (format parsing, etc), and lots more (parser generation)