Apple iWork - iWork is an office suite by Apple.
LibreOffice - Writer - Open-source cross-platform word processor.
OnlyOffice Docs - OnlyOffice Docs is an effective document creation and editing platform that provides you the options to create any kind of document with the collaboration of your team from any remote location.
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.