Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Rumble - Manage your professional, social and viral videos
Video DownloadHelper - Browser extension to download videos from the Web
Savelist - Found products you want but not ready to buy?
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Minimal - Minimal is a full-feature writing + notes app for iOS and Mac.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.