Okular (opens in new tab)

View and annotate documents Okular is a universal document viewer developed by KDE. Okular works on multiple platforms, including but not limited to Linux, Windows, Mac OS X, *BSD, etc. Features: Supported Formats: PDF, PS, Tiff, DjVu, Images, DVI, XPS, Fiction Book, Comic Book, Plucker, EPub, Fax Sidebar with contents, thumbnails, reviews and bookmarks Annotations support Additional information:Developer: KDELicense: GPL-2.0+ and GFDL-1.3Version: 26.04.1