Video DownloadHelper - Browser extension to download videos from the Web
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
ClipGrab - A friendly downloader for YouTube and other sites
Simple Mass Downloader - A simple but powerful bulk/mass downloader.
yt-dlp - A youtube-dl fork with additional features and fixes.