The best open source alternative to C.B.R. - Comic Book Reader is SumatraPDF. If that doesn't suit you, our users have ranked more than 50 alternatives to C.B.R. - Comic Book Reader and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to C.B.R. - Comic Book Reader are calibre, Okular, Evince and Kavita.
MComix is an user-friendly, customizable image viewer. It is specifically designed to handle comic books, but also serves as a generic viewer. It reads images in ZIP, RAR, 7Zip or tar archives as well as plain image files.
Zathura is a highly customizable and functional document viewer. It provides a minimalistic and space saving interface as well as an easy usage that mainly focuses on keyboard interaction.
Peruse is a comic book reader and creator for desktop and mobile devices. It is part of the Plasma Mobile app collection.
Orion is a pdf, djvu, xps and cbz file viewer for Android devices, based on mupdf and DjVuLibre libraries.
Comix is an image viewer specifically designed to handle comic books. It reads ZIP, RAR and tar archives (also gzip or bzip2 compressed), as well as plain image files. It has a simple and user-friendly GUI using PyGTK.
One of the best ways to learn a new language is by reading books in it. But this can get very tedious, as you frequently need to switch between the dictionary and the book you're reading. Duofolio's purpose is to make that experience a little bit easier.
Xreader is a document viewer capable of displaying multiple and single page document formats like PDF and Postscript.
Jumpdf is a keyboard-focused PDF viewer for documents where one needs to jump between different sections of the document frequently.
Deepin Image Viewer is an image viewer produced by Deepin Technology. It is fashion and smooth, supports multiple image formats, user can view any kind of image.
ACBF Viewer is a viewer application capable of reading ACBF, CBZ/CBR and ACV comic book file formats. It is written in Python programming language. Currently there are versions for Linux, Windows and Android (ACBF Viewer for Android). It is distributed under GNU GPL version 3.
Jomic is a viewer for comic books stored in CBZ, CBR, and PDF files. Features include a two page mode, caching and support for several image formats (PNG, JFIF/JPEG, TIFF, and GIF). It is Open Source software distributed under the GNU General Public License.
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