PilotEdit - PilotEdit Lite is an advanced text and hex editor that supports opening of files larger than 4GB.
grepWin - grepWin is a simple search and replace tool which can use PCRE regular expressions to search for...
HxD - HxD is a carefully designed and fast hex editor which, additionally to raw disk editing and...
PowerGREP - Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...
HextEdit - HextEdit is a proficient hex editor and disassembler for Mac.
dnGREP - dnGrep allows you to search across files with easy-to-read results.