4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
Helium - Helium lets you accept payments by credit card for anything you want to sell online.
Video DownloadHelper - Browser extension to download videos from the Web
PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
PiPifier - PiPifier is a macOS 10.