CreaWriter - Full screen text editor distraction free writing enviroment.

Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.

MiniNote - A simple Markdown note-taking editor

Microsoft Word - Microsoft Word is a commercial word document processor for Windows.

iA Writer - Minimal Design, Maximum Focus

Apache OpenOffice Writer - Open-source word processor of the Apache OpenOffice suite.