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.
Microsoft PowerPoint Viewer - Microsoft PowerPoint Viewer is one of the powerful applications that allow you to access the familiar tools to create, edit, view, present, and share presentations in no time from any location.
Microsoft Word - Microsoft Word is a commercial word document processor for Windows.
Aspose.Slides for Cloud - Use cURL commands to create, manipulate, merge, split & convert PPT PPTX presentations & slides to PDF, XPS, TIFF, ODP, OTP, HTML & other formats.
AbiWord - AbiWord is a free software word processor.
Document Manager - Document Manager is an all-in-one document management software solution that allows you to download documents from anywhere, store all your documents in one place, edit them with leading tools, and share them with others.