Tachiyomi - A free and open source manga reader for Android.
NeeView - Display two images simultaneously
YACReader - Download YACReader for your platform. Windows, Linux, MacOSX. And enjoy you comic books cbr cbz with the best comic reader.
ComicFlow - ComicFlow is an iOS app that allows you to read comics by opening .cbr or .
IrfanView - IrfanView ... one of the most popular viewers worldwide.
ACBF Viewer - Comic book reader.