John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
Hitomi Downloader - Desktop application to download images/videos/music/text from Hitomi.la and other sites, and more.
FCorp My Desktop - "ALL-IN-ONE" Desktop Related Tools.
HakuNeko - HakuNeko is an all-in-one cross-platform utility that supports you to download manga and anime with various website support.
WallpapersEveryday - Gorgeous wallpapers on your desktop in just one click or auto-delivered at chosen time intervals.
HDoujin Downloader - A powerful doujin/manga downloader that supports hundreds of different websites.