Flowingly - An all-in-one, easy-to-use business process management software that enables process mapping and...

LibreOffice - Writer - Open-source cross-platform word processor.

openSourceCM - Web-based legal document processing and contract management

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.

LogicalDOC - A document management system such as LogicalDOC can help your organization better manage business processes and put order in the chaos of documents every day run your business.

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