Yout - YouTube to Mp3 Converter
Bookstash - Bookstash is a free library of curated summaries from top nonfiction books.
Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
Book Video Club - Quick video summaries of the top business books for startups
You-Get - Command-line utility to download media contents from the web
Instaread - Read or hear key takeaways of any book in minutes