Hex Workshop - Hex Workshop: Hex Editor, Sector Editor, Base Converter and Hex Calculator for Windows
HxD - HxD is a carefully designed and fast hex editor which, additionally to raw disk editing and...
DHEX - Themeable hex editor with diff mode for tracking file changes.
WinHex - WinHex hex editor, disk editor, RAM editor. Binary editor for files, disks, and RAM. Download HEX EDITOR. Sector editor. Drive editor.
BinHex CryPactor - Manipulate binary and hexadecimal strings!
Hex Fiend - A fast and clever open source HEX editor for Mac OS X.