This is a new EDIT for the DOS released after MS-DOS 6.22. This one can load text larger than 1 megabyte and also features split windows editing.  Be sure to upgrade your old version.

Inspect v2.00 is a freeware hex editor which enables you to take a quick peek into a file, or into conventional memory, and edit or save parts of it.

Little SmartAss Editor v1.1 by Groepaz/Hitmen (Released in 1998) - Neat little editor that is tailored towards programmers.  If you use this for coding, please consider donating a beer to Groepaz, he is always thirsty!

PEDIT 4.00 - short for Program Editor, is similar to the DOS EDIT program, but more powerful, and with many additional features for programmers. It includes pop-up tables, column support, macro key, undo, copy & paste to other Windows applications, long filenames, word wrap, spell checker, thesaurus, HTML support, and much more. Freeware.

LINK to the original website (archive.org)