Vookmark - Vookmark allows you to bookmark interesting videos on Youtube, Vimeo, DailyMotion, Facebook or Reddit and bookmark them easily.
vdNote - Share noteworthy moments from YouTube videos.
Viewgin Eye Youtube & TikTok - Viewgin EYE is a Chrome extension for YouTube and TikTok that allows you to work with tags, observe competitors, and get access to the information of the Viewgin Trends database.
YouDict - YouTube dictionary to search words, expressions & names
Findie - Lean back and explore the world's best cinematic videos
Summary Panda - Remove annoying 'blah blah blah' parts of YouTube videos.