Free Manga Downloader is described as 'The Free Manga Downloader (FMD) is an open source application written in Object-Pascal for managing and downloading manga from various websites' and is an app. There are more than 10 alternatives to Free Manga Downloader for a variety of platforms, including Windows, Android, Linux, Mac and iPhone. The best alternative is Tachiyomi, which is both free and Open Source. Other great apps like Free Manga Downloader are HakuNeko, Aniyomi, Seeneva and Hitomi Downloader.
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.
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.