LibreOffice Viewer - The Document Foundation provides a LibreOffice Viewer for Android.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Cisdem DocumentReader - Need to read mutiple windows documents on Mac? Cisdem Document Reader is the all in one solution to read WPD, WPS, XPS, OXPS, VISIO, DjVu, PDF, Winmail.dat files on Mac. Try it now!
Wondershare PDFelement - All-in-one PDF editor
OpenDocument Reader - OpenOffice Document Reader is an Android OpenOffice and LibreOffice Document Reader!
Microsoft Word - Microsoft Word is a commercial word document processor for Windows.