Evince
Open Source
Evince is a document viewer for PDF, PostScript, DjVu, TIFF, XPS and DVI formats.
PDF Studio
Commercial
PDF Studio is a multi-platform PDF editor.
glogg
Open Source
glogg is a multi-platform GUI application to browse and search through long or complex log files.
Firefox PDF Viewer (PDF.js)
Open Source
PDF.js. A general-purpose, web standards-based platform for parsing and rendering PDFs.
qpdfview
Open Source
qpdfview is a tabbed document viewer.
SmoothVideo Project
Freemium
SmoothVideo Project converts any video to 60 fps (and even higher) and performs this in real time right in your favorite video player.
Compare Universal Viewer with alternatives
Compare Evince and Universal Viewer and decide which is most suitable for you.
Compare Firefox PDF Viewer (PDF.js) and Universal Viewer and decide which is most suitable for you.
Compare PDF Studio and Universal Viewer and decide which is most suitable for you.
Compare qpdfview and Universal Viewer and decide which is most suitable for you.
Compare glogg and Universal Viewer and decide which is most suitable for you.
Compare SmoothVideo Project and Universal Viewer and decide which is most suitable for you.