GIFit! - Quickly turn YouTube videos into GIFs (chrome extension)
you-tldr - Get the tldr of any YouTube video in seconds
Book Video Club - Quick video summaries of the top business books for startups
tubecut. - The only YouTube downloader allows you to trim specific time
Wibbitz - Watch video summaries of the news you want.
TLDR This - Automatically summarize any article or webpage in a click.