You can check out how many visitors’ competitors are getting, how much of that traffic is paid, and how much of that is organic. So, you have a pretty good idea of how much the competition is spending on Google AdWords, which of their keywords are the so-called “Money Keywords” and what keywords have they lost and which are declining. All of this is beneficial information in the grand scheme of things since it helps to tailor your SEO strategy accordingly. 
Keyword Tool is the best YouTube keyword tool alternative. It uses YouTube autocomplete feature to generate highly relevant long-tail keywords about a particular topic. YouTube autocomplete, just as Google autocomplete, was created to make the user experience better. It helps users find videos faster by recommending related keywords when they start typing in their search query.