vdNote - Share noteworthy moments from YouTube videos.
Spoke - Spoke combines blended and collaborative learning with real-world gamification and integrated communication tools into a modern, social learning management system that gets used 4X more than other leading platforms.
Hubub - Host better conversations around video.
you-tldr - Get the tldr of any YouTube video in seconds
Bookmark It - Create awesome notes on YouTube videos
AssemblyAI - Speech Recognition for Everyone and Everything.