Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Video DownloadHelper - Browser extension to download videos from the Web
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
AOMEI Backupper - AOMEI Backupper is a software created to help a person backup, restore, clone, and sync their entire Windows system.