Reader Self Notifier is a free Chrome add-on developed by Stéphane Dion. It falls under the category of browsers and specifically the subcategory of add-ons and tools.

This handy tool allows you to easily keep track of the number of unread items in your Reader Self installation. With Reader Self Notifier, you can quickly see how many unread items you have without having to open your Reader Self application.

The add-on is simple and straightforward to use. Once installed, it automatically syncs with your Reader Self installation and displays the unread items count in your Chrome browser toolbar. This feature helps you stay organized and ensures that you never miss any important articles or updates.

Overall, Reader Self Notifier is a convenient tool for avid readers who use Reader Self. It provides a quick and easy way to keep track of unread items, saving you time and effort in managing your reading list.