Universal Viewer!

MPC-BE is a free and open source audio and video player for Windows.

Bandizip is 100% free Archiver for home and office.

SVP allows you to watch any video on your PC file with frame interpolation (like you can watch it on high-end TVs and projectors). It increases frame rate by generating intermediate animation frames between existing ones to produce very smooth, fluid and clear motion. The technology is well-known for a while ("TrimensionDNM", "Motion Plus", "Motionflow" and others), but now it's available for free to PC users with simple GUI and just a couple of mouse clicks.

qpdfview is a Qt-based tabbed document viewer using the Poppler library for PDF rendering and CUPS for printing. Support for the DjVu and PostScript formats can be added via plugins.

A fork of the last GPL version of EBookDroid. Supports the following formats:

Free Opener allows users to view, edit and print many different types of files without having to download specialty software. Currently, the software supports over 80 different file formats including Microsoft Office Files (.doc, .docx, .ppt, .pptx, .xls, .xlsx, .xlsm, .msg, .vcf), Adobe Files (.swf, .flv, .psd, .pdf), Media files (.avi, .flv, .mid, .mkv, .mp3, .mp4, .mpeg, .mpg, .mov, .wav, .wmv, .3gp, .flac) and many others.

Xodo is the ultimate cross-platform PDF viewer and annotator. And it’s 100% free.

Extension module for Windows Explorer to render SVG thumbnails, so that you can have an overview of your SVG files.

Besides exceptionally fast launching and displaying speed, Gaaiho Reader is reliable in printing, filling forms annotating documents and adding bookmarks.

qAllInOne (aka qAIO) is a free open-source software built using Qt to provide users an All-In-One media player, so it can view images, play videos and audio.

Cloud-based PDF viewer and annotation tool for your browser. Perfect for Chromebook 1:1 schools. View, export, print and share your PDF files straight from your browser. Kami works on all browsers and works best with Google Chrome.

With Google Docs Viewer, you can quickly view many file types online, including PDFs, Microsoft Office files, and many image file types.