Digiarty Software offers downloads of its MacX Video Converter Pro for Mac (pictured) for free. (It lists for $49.95.) It allows Mac users to download videos and songs from YouTube and more than 300 other online video sites, and to convert videos to iPad, iPhone, Android, WP8, or PSP formats. It also allows you to record videos, edit them, and make photo slideshows. Deal ends September 2.
Of note, Digiarty Software also offers downloads of its 5KPlayer for Mac or Windows for free. It's a 4K/5K UHD media player which can play, download, or AirPlay Mirror any video music wirelessly.