Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
HTML-Notepad - HTML WYSIWYG editor for structured documents
Syn Text Editor - Syn Text Editor is a highly flexible and customizable text editor and programming editor for the Windows operating system user.
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.
TED Notepad - TED Notepad is a portable text editor software that deals with a large variety of text processing tools, supplemental text clipboards, high accessibility through hotkeys, and a customizable number of settings and options.