PSPad - Text, code and hex editor.
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
Sublime Text - Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
UltraCompare - UltraCompare is the name of an advanced level of file and folder comparison platform that is loaded with an advanced level of features and functions.
Notepadqq - Notepadqq is a linux clone (identical application) of Notepad++
Notepad - Most simple text editor. Just plain text, saves in .txt format.