HakuNeko - HakuNeko is an all-in-one cross-platform utility that supports you to download manga and anime with various website support.
HostsMan - HostsMan is a freeware hosts file manager and editor. Built-in hosts file updater
Hitomi Downloader - Desktop application to download images/videos/music/text from Hitomi.la and other sites, and more.
Gas Mask - Gas Mask is simple hosts file manager for Mac OS X.
HDoujin Downloader - A powerful doujin/manga downloader that supports hundreds of different websites.
BlueLife Hosts Editor - BlueLifeHosts editor is a Portable freeware application for editing windows Hosts file ,(easily add/delete , Block , Update domain names)