SlideShare - Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.
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.
Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
Microsoft Word - Microsoft Word is a commercial word document processor for Windows.
Issuu - Issuu is the leading digital publishing platform delivering exceptional reading experiences of magazines, catalogs, and newspapers.
Apache OpenOffice Writer - Open-source word processor of the Apache OpenOffice suite.