With Windows 8, there are many new changes and features, new start screen, new lock screen, Windows store and many more. The new lock screen in Windows 8 shows notifications from apps which can be configured depending on which apps you want to display. TuneUp IncrediLock is a freeware app in Windows store which brings in tons of new wallpapers for lock screen and more importantly it allows you to add sticky notes to the lock screen.
You can add a sticky note widget to lock screen in Windows 8 and display it along with the other notifications.
You can add your personalized text to the widget and keep it as a reminder. The sticky notes will work only if you have set a wallpaper from the app. There are tons of wallpapers to choose from a gallery which is categorized.
Apart from Sticky notes, the developers are planning more widgets like weather, picture frame etc. With new widgets coming, this app is certainly a must have one if you want to customize the lock screen.