youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
321Soft Video Converter for Mac - 321Soft Mac Video Converter allows you to easily download, convert and edit video, HD video, 4K video, audio on Mac OS X.
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
XnConvert - XnConvert is an easy image converter for graphic files, photos and images available on Windows...
yt-dlp - A youtube-dl fork with additional features and fixes.
Elasty - Creaceed makes innovative apps for iPhone, iPad, and Mac in the field of document scanning and OCR, note taking, and photography.