CommenTab is a free Chrome add-on developed by Donald Little that brings the functionality of adding ephemeral sticky notes to any website. With CommenTab, users can easily remember what they were last doing on a certain website by attaching a sticky note to it.

The main feature of CommenTab is its ability to automatically remove and delete the sticky note once the website is closed or navigated away from. This ensures that the notes are always up-to-date and relevant to the user's browsing session.

CommenTab is a useful tool for users who frequently visit multiple websites and need a way to quickly jot down notes without cluttering their workspace. It provides a simple and intuitive interface for adding and managing sticky notes, making it easy to stay organized and focused while browsing.

Overall, CommenTab is a handy Chrome add-on that enhances productivity by allowing users to add ephemeral sticky notes to their tabs. It is a valuable tool for anyone who wants to keep track of their browsing activities and stay organized.