Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
NeoDownloader - As you know, there is a lot of websites with a lot of pictures, music and movies.
MenuBar Statistics - MenuBar Statistics is a lightweight app that sits quietly in your menu bar of macOS and displays computer information such as CPU, Disk, and Network, which is updated every 5 seconds.
WFDownloader App - A free bulk image downloader application that also serves as a multi-purpose bulk downloader for your PC.
RPi-Monitor - RPi-Monitor is a tool that provides all the connected system peripherals properties and current metrics.
Transloader - Start downloads on your Macs, remotely from other devices