NeoDownloader - As you know, there is a lot of websites with a lot of pictures, music and movies.
WFDownloader App - A free bulk image downloader application that also serves as a multi-purpose bulk downloader for your PC.
Transloader - Start downloads on your Macs, remotely from other devices
Persepolis Download Manager - Persepolis Download Manager is a GUI for aria2.
DownZemAll - A download manager for Windows, Mac OS X and Linux.
Mihov Picture Downloader - Mihov Picture Downloader is a lightweight program that allows you to download a huge number of pictures from the webpage without having to interact with each and every thumbnail and link to that picture and afterward saving it.