Open Source C.B.R. - Comic Book Reader Alternatives
The best open source alternative to C.B.R. - Comic Book Reader is SumatraPDF, which is both free and Open Source. 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 (Free, Open Source), Okular (Free, Open Source), Evince (Free, Open Source) and Document Viewer (Free, Open Source).
Sumatra PDF is a slim, free, open-source PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI/FB2 viewer for Windows. Why another PDF reader? Sumatra has a minimalistic design. Simplicity has a higher priority than a lot of features. Its small and starts up very fast.
Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e., a single entry in your library that may correspond to actual e-book files in several formats.
Evince is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS, SyncTex support with gedit, comics books (cbr,cbz,cb7 and cbt). For a comprehensive list of formats supported, see Supported Document Formats.
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.