StackApplet — Bringing Stack Exchange Notifications to Your Desktop [Large scale rewrite in progress]
StackApplet is a small status icon that sits in your desktop's notification area and alerts you to events that happen to your accounts. You will receive notifications about new answers, comments an…
Here's the app's source (so far): http://jsbin.com/selowi/10/edit No screenshot so far.
Real-time desktop notifications for the Stack Exchange (Firefox add-on / Chrome extension)