HexStar Version 2.11
- A free hex editor for Windows NT and 2000 with many useful features. Able to work with extremely large files, depending on user's virtual memory.
- http://datacruz.com/~kyledtc/

1Fh
- Fast opening and editing of large binary files.
- http://www.4neurons.com/1Fh/

febooti Hex Editor
- A Hex Editor designed for integration into Windows properties pages.
- http://www.febooti.com/products/filetweak/members/hex-editor/

Catch22 HexEdit 1.2
- Cut, copy, paste, insert and delete data with no decrease in performance with larger files and unlimited multi-level undo and redo capability. For Microsoft Windows, and has maximum file size limit of 4Gb.
- http://www.catch22.net/software/hexedit.asp

Frhed
- Small Windows executable that supports large file size, drag-and-drop editing, and direct editing of binary values. [Open Source]
- http://www.kibria.de/frhed.html

DataWorkshop
- A multiplatform binary data editor with support for user defined structures. Requires Java. [Windows, Linux, MacOS]
- http://www.dataworkshop.de

Hack
- A hex editor in which you can write REXX script to do whatever modification you want. [Public domain]
- http://rhack.sourceforge.net

AXARScan
- Windows or DOS program with text extractor, bit editor, search, and multi-level undo.
- http://web.tiscali.it/axart/english.html#hex

XVI32
- Windows program that includes complete online help and requires less than a megabyte of hard disk space.
- http://www.chmaas.handshake.de/delphi/freeware/xvi32/xvi32.htm