ViralStat - All-in-one tool for cross-platform social video analytics
Waybackpack - Download the entire Wayback Machine archive for a given URL
You-Get - Command-line utility to download media contents from the web
Every Second - Realtime stats per second of Apple and YouTube
Social Aider - Social Aider is an affordable, user-friendly social media management tool that helps businesses to enhance their marketing campaigns.
Brunhilde - Analyze YouTube comments to know what your audience thinks