HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility. It allows you to download a World Wide Web site from the Internet to a local directory, building recursively all directories, getting HTML, images, and other files from the server to your computer. HTTrack arranges the original site's relative link-structure. Simply open a page of the 'mirrored' website in your browser, and you can browse the site from link to link, as if you were viewing it online. HTTrack can also update an existing mirrored site, and resume interrupted downloads. HTTrack is fully configurable, and has an integrated help system. WinHTTrack is the Windows 2000/XP/Vista/Seven/8 release of HTTrack, and WebHTTrack the Linux/Unix/BSD release.
A cross-platform GUI for youtube-dl made in Electron and node.js - GitHub - jely2002/youtube-dl-gui: A cross-platform GUI for youtube-dl made in Electron and node.js
Clipsey is the best Twitch clip downloader. Just copy and paste the Twitch clip URL that you want to save. It's the easiest way to download Twitch clips!
Very.Ninja is Video downloader online. Save online videos to your smartphone, laptop or desktop in mp4 format. Watch offline without ads and interruptions.
A lightweight YouTube client for Linux (fork of straw-viewer) - GitHub - trizen/pipe-viewer: A lightweight YouTube client for Linux (fork of straw-viewer)