Sumatra PDF is PDF reader and writer for Windows.

STDU Viewer is a compact viewer for many computer file formats.

Honeyview is a very fast image viewer supporting various formats.

MangaMeeya is an easy-to-use comic reader that puts a special emphasis on manga.

CDisplay Ex is a popular comic book reader. It's capable of reading all comic book formats.

ComicRack is a comic reader.

YACReader is a comic reader and comic manager with support for cbr cbz zip rar comic files.

GonVisor is a multiple-format viewer for PC which supports pictures, comics, magazines, and books in electronic format.