free hex editor

shows color code of the pixel on the screen in both, RGB and HEX values

Tested with Undelete, Restoration, Pei Recovery, Win Hex.

Free tool to view hard disk sectors, representing them in text and hex format

Look_At may be used to view a file in text, hex or character mode.

Show ASCII value of any key pressed in decimal or hex!

EditPlus is a text editor, HTML editor, PHP editor and Java editor for Windows.

An ASP text editor, an ASP.Net text editor, and an HTML editor.

KWrite is a text editor by KDE, based on the Kate's editor component.

Work with texts in an editor with look and feel of the IBM editor SPF, but with many extensions.

An application integrating Paint program, Icon Editor and Animated GIF Editor