Google Reader is one of the best feed readers available. In case you are using Google Reader, then you need to open Google Reader website online all the time to check new feeds. GRaiN is a simple freeware notifier application for Google Reader that sits in your system tray and alerts you when you have new unread items. So next time you get a new item in Google Reader, this tool notifies you.
You need to provide your Google account credential. You can select the folders in your Google Reader which needs to show updates.
There is also option to set an audio file as notification.
