Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
Notepadqq - Notepadqq is a linux clone (identical application) of Notepad++
Crimson Editor - Crimson Editor is a professional and powerful source editor for the Windows operating systems.
Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft
WildEdit - WildEdit is simply a wild text editing application that features the functions for editing many files at once and viewing many files at once as well.
Notepad - Most simple text editor. Just plain text, saves in .txt format.