Resource Hacker - Resource Hacker has been designed to be the complete resource editing tool.

Hex Workshop - Hex Workshop: Hex Editor, Sector Editor, Base Converter and Hex Calculator for Windows

PE Explorer - EXE Editor, Resource Editor, Disassembler, Section Editor, Dependency Scanner, Quick Function Syntax Lookup. Analyze win32 executable files, including headers, procedures, and libraries. Edit icon resources and more.

HextEdit - HextEdit is a proficient hex editor and disassembler for Mac.

Resource Tuner - Resource Editor: modify EXE file's resources, change Icons inside EXE, DLL, MUN. View, search, extract, replace, edit, add and delete the embedded resources of executable program files.

iHex - iHex is the premier hex editor and data analysis tool for Mac OS X.