That includes Notepad++, Sublime, Ultra Edit and others
Notepad++ - A free source code editor which supports several programming languages running under the MS Windows environment.
Modern CSV - A CSV editor/viewer
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.
Tablecruncher - This lightweight, yet powerful CSV editor for Apple Mac helps you crunch all your tabular data.
Atom - At GitHub, we’re building the text editor we’ve always wanted: hackable to the core, but approachable on the first day without ever touching a config file. We can’t wait to see what you build with it.
ReCsvEditor - Csv / Tsv / Delimited file editor. Supports for very large Files.