Waybackpack - Download the entire Wayback Machine archive for a given URL
YouTube Trending - Making it easier to find viral videos
YouTube Decade - Watch the most viewed videos posted exactly 10 years ago
SimilarChannels - Find similar YouTube channels, discover new channels based on your interests, create your own YouTube collections with your favorite channels.
ArchiveBox - The open-source, self-hosted internet archiving solution
Vidooly - Get deeper analytics of any YouTube channel or video