Great Downloader easy to use can convert into multiple file formats. Fast and impressive
StatusCake - Website Uptime Monitoring & Alerts โ Free Unlimited Downtime Monitoring
Video DownloadHelper - Browser extension to download videos from the Web
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.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
UptimeRobot - Free Website Uptime Monitoring
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.