I´m currently redesigning my app called Calenday for I just started with it yesterday so it will take me some time but I already have a lot of fun with it : )
20 Beautiful Mobile UI Screenshots | Part #1
lovely ui - via http://bit.ly/epinner
View on Dribbble
The Best Apps That Use Notification Center Widgets - Business Insider
notifications ux design - Google претрага
Notifications by Nuruzzaman Sheikh – honest, loveable notification flat design ready to upload to your UXPin account
Mint.com - categorization
lots of stuff going on...
mini notifications cards
Notifications.js is a notification library built with jQuery for creating flat styled notification bars sliding out from the right bottom of your page.
Apple notification center