Modern CSV - A CSV editor/viewer
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
CSVboard - CSVboard is an application for viewing, sorting and finding data from a csv file.
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.
Rons CSV Editor - Rons CSV Editor / Now Rons Data Edit
Notepadqq - Notepadqq is a linux clone (identical application) of Notepad++