LibreOffice - Writer - Open-source cross-platform word processor.
Apple iWork - iWork is an office suite by Apple.
Microsoft Word - Microsoft Word is a commercial word document processor for Windows.
Airborn - Create and edit documents online without sacrificing your privacy
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.
Atlantis Word Processor - Atlantis Word Processor enables users to create documents and reports and to publish e-books.