HakuNeko is a cross-platform downloader for manga and anime from various websites. HakuNeko was made to help users who download media for circumstances that requires offline usage. The philosophy is ad-hoc consumption, get it when you want to read/watch it.
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.
ComicShelf is a powerful comic potal build for all users. ComicShelf provides basic functions as download, offline browse, and online browse comic. Till now ComicShelf supports many comic sites like Duowo, KuKu and so on.