LibreOffice Viewer - The Document Foundation provides a LibreOffice Viewer for Android.
WinDjView - WinDjView is a fast, compact and powerful DjVu viewer for Windows with tabbed interface, continuous...
Document Reader for Microsoft Office - Manage ,Download, Share Documents Lightweight office work in your pocket ★ Backup of documents ★ Quick access to Spreadsheets, Text or PDF documents, Presentations, Notes, & Memos ★...
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
DjVuLibre - DjVuLibre: Open Source DjVu library and viewer