What are some alternatives?
When comparing YouTube Time Tracker Extension and Invideo for Youtube, you can also consider the following products
SaveMyTime - Time Tracker - The whole picture how you spend time. Both online and offline activities.
Bookmark It - Create awesome notes on YouTube videos
Futuramo Time Tracker - Futuramo Time Tracker is a time tracking solutions designed for freelancers and teams.
vdNote - Share noteworthy moments from YouTube videos.
Time - An AI-powered time-tracking app
Video Search for YouTube - Search any YouTube video like a document.