We broke the news last week that Liquid Daffodil will be releasing a notification center system called Unification for Windows 8 and Windows Phone 8 sometime in the near future (it's officially in Beta testing as we speak).. The system is opt-in meaning devs can just add a line of code to their app to hook into it. Now it looks like a competing system is starting to take form from Alex White, called NotifyMe!
The app is still vaporware at this time and like LD’s, it uses an opt-in system for developers to use the notification system. The concept is interesting as it evidently uses the dynamic Lock Screen ability in Windows Phone 8 to generate new wallpaper (we’re assuming) when there’s a new notification.