Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
Crimson Editor - Crimson Editor is a professional and powerful source editor for the Windows operating systems.
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.
Notepas - Notepas is the name of an advanced and powerful text editor for both plain text editors and developers allowing them to edit multiple files at once.
Syn Text Editor - Syn Text Editor is a highly flexible and customizable text editor and programming editor for the Windows operating system user.
AkelPad - A simple notepad-like text editor with many features. It is designed to be a small and fast.