1)   FlexHEX 2.43
A professional hex editor for files and disks. Supports huge files, OLE compound files, and NTFS alternate streams. A convenient user interface and rich feature set makes hex editing easy and straightforward. An ideal tool for software developers.
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 2)   010 Editor 3.2
010 Editor is a professional text/hex editor designed to edit any file, drive, or process on your machine. Use our unique Binary Templates technology to understand any binary file format. Includes a whole range of powerful analysis and editing tools.
Text Editor, Hex Editor, Binary Editor, Disk Editor, File Editor, Editor, Programmers Editor, Process Editor, Binary Templates, Binary Compare,

 3)   XEDIT Binary Editor 3.26
File and Sector Binary Editor for NT/W2K/XP.
Editor, Binary Editor, Hex Editor, File Editor, Disk Editor, Search Binary Data, File mapping,