Filed under: Internet ToolsSyphir first attracted my attention when they announced that they were using OAuth for Gmail (meaning that you did not have to provide your login information to Syphir in order to use it). They have a $3 iPhone app that receives push notifications, but it will work without the app or even if you -- gasp! -- don't have an "iDevice."
Note: I'll refer to this as "Gmail," but it works equally well for Google Apps. I'll also refer to sending the iPhone notifications, but it works just as well on the iPad