If you get a new email in your Gmail, How will you know it? After opening your Gmail, you can see it. But you don’t want to open your Gmail always to check, This simple Gmail Notifier desktop application notify you once you get a new mail right on your desktop as shown in the image below. Just install it and login with your Gmail account. It will notify you.
The image shown on left side is the Gmail Notifier login screen.
Gmail Notifier notifications looks as shown in the image below.
If you are logged in to Gtalk, you no need to install this app, Gtalk will notify you about new Gmail messages.