ViralStat - All-in-one tool for cross-platform social video analytics
You-Get - Command-line utility to download media contents from the web
Social Aider - Social Aider is an affordable, user-friendly social media management tool that helps businesses to enhance their marketing campaigns.
CONV. - Convert YouTube video to MP3, GIF or MP4
Vidooly - Get deeper analytics of any YouTube channel or video
Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline