Bookmark It - Create awesome notes on YouTube videos
Amie - GitHub for research and data science
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Video Search for YouTube - Search any YouTube video like a document.
Grid Note - Grid Note is an app by Sumi Interactive that comes up with features to help you in adding notes in a grid layout to share your ideas and thoughts with the outside world.
Notepin - Extremely simple note-taking + blogging ✍️