Vookmark - Vookmark allows you to bookmark interesting videos on Youtube, Vimeo, DailyMotion, Facebook or Reddit and bookmark them easily.
BookmarkSheet - Your bookmarks in Google Sheets
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.
Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.
Oyper - Oyper specializes on making shoppable video content.
Bookmark It - Create awesome notes on YouTube videos