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.
Atril is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DJVU, DVI, XPS and Portable Document Format (PDF) files. When supported by the document, it also allows searching for text, copying text to the clipboard...
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.
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.
Orion is a pdf, djvu, xps and cbz file viewer for Android devices, based on mupdf and DjVuLibre libraries.
Peruse is a comic book reader and creator for desktop and mobile devices. It is part of the Plasma Mobile app collection.
Uviewer is a modern WinUI 3-based integrated viewer for Windows, specialized for reading Manga and Light Novels with support for images, archives, and Aozora Bunko.
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.
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