Freefileviewer - Free viewer for PDF, DOC, DOCX, PHP, CFG, DAT etc. files
Ubiquitous Player - Portable music player, image viewer, file manager, and more.
SysTools OST Viewer - Free Outlook OST Viewer Software is used to open OST file with attachments. OST Reader Tool provide a complete solution to view corrupted, orphaned OST files.
FE File Explorer - The one-stop files solution
PDF Reader Pro - PDF Reader Pro is an all-in-one PDF office supporting to Read, Annotate, Edit, OCR, Convert, Create & Fill Form, Sign PDFs, TTS on Mac, iOS, Android, and Windows.
DiskInternals Linux Reader - A freeware tool for extracting files from Ext2/Ext3/Ext4, hfs and ReiserFS partitions in Windows