A free, open-source download manager that excels at grabbing videos from a huge range of hosts. It’s not the prettiest software, but it’s incredibly functional, offers a clipboard observer, and has no paywalls.

Downloading software from unofficial sources like "repack" sites exposes you to several dangers: Malware & Trojans

Freemake allows you to become a digital archivist of your own interests.

Use the "Playlists" function. Enter the URL of a YouTube music mix (e.g., "Chill Lofi Beats") and download all 100 songs at once. You now have an offline radio station.