ReFox - ReFox XI, FoxPro code protection, compression and recovery.
iHex - iHex is the premier hex editor and data analysis tool for Mac OS X.
MultiExtractor - MultiExtractor - Extract picture (JPG, PNG, GIF, BMP, ICO.
HextEdit - HextEdit is a proficient hex editor and disassembler for Mac.
Recaf - Recaf is a modern java bytecode editor using Objectweb's ASM and JavaFX.
PilotEdit - PilotEdit Lite is an advanced text and hex editor that supports opening of files larger than 4GB.