Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
SciTE - SciTE is a SCIntilla based Text Editor.
Extreme Editor - Extreme Editor is basically an ASCII based text editor feature the support for multi-document editing and protection of edited text and clipboard contents.
EdytorNC - This simple to use text editor is basically designed for performing both plain and complex editing and allowing the users to edit the source code of the programs and even edit web pages as well.
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.
txtPro Text Editor - txtPro Text Editor is the name of an all in one script, plain text and language code editor with the additional function of syntax highlighting as well.