YACReader - Download YACReader for your platform. Windows, Linux, MacOSX. And enjoy you comic books cbr cbz with the best comic reader.
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
CDisplay Ex - CDisplay Ex is the most used comic book reader.
Okular - Okular is a universal document viewer based developed by KDE.
Tachiyomi - A free and open source manga reader for Android.
Evince - Evince is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS...