FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
Bulk Image Downloader - With Bulk Image Downloader you can download full sized images from almost any web gallery.
Cyberduck - A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.
Vov Picture Downloader - Download pictures from websites.
WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.
WFDownloader App - A free bulk image downloader application that also serves as a multi-purpose bulk downloader for your PC.