SimilarChannels - Find similar YouTube channels, discover new channels based on your interests, create your own YouTube collections with your favorite channels.
Waybackpack - Download the entire Wayback Machine archive for a given URL
Vidooly - Get deeper analytics of any YouTube channel or video
YouTube Decade - Watch the most viewed videos posted exactly 10 years ago
YouTube Trending - Making it easier to find viral videos
Buffer - Buffer makes it super easy to share any page you're reading. Keep your Buffer topped up and we automagically share them for you through the day.