Documents by Readdle - A central hub for all your files.
OpenDocument Reader - OpenOffice Document Reader is an Android OpenOffice and LibreOffice Document Reader!
Documents Pro 7 - The ultimate all-in-one mobile office suite for the iPhone and iPad with 8 premium apps in 1.
Office Documents Viewer - Document viewing application for Open Document Format (OpenOffice, LibreOffice) and OOXML...
GoodReader - With GoodReader on your iPhone, iPod Touch or iPad, you can read virtually anything, anywhere.
LibreOffice Viewer - The Document Foundation provides a LibreOffice Viewer for Android.