Unsplash Wallpapers for Mac (Official) - Curated, HD desktop background photos from Unsplash.
Bulk Image Downloader - With Bulk Image Downloader you can download full sized images from almost any web gallery.
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.
Vov Picture Downloader - Download pictures from websites.
Wallpaper Wizard - Wow-worthy backgrounds for Mac
WFDownloader App - A free bulk image downloader application that also serves as a multi-purpose bulk downloader for your PC.