Customizable simple Alert and simple ActionSheet for Swift
Alert & Action Sheet
Animated alert library like Swarm app
An extremely simple UIAlertView alternative
OEANotification is a customizable notification view framework
A simple style messages/notifications
Easy Swift UIAlertController
Undistracted in-app notification in Swift
Easy, customizable notifications displayed on top of the status-bar
HDNotificationView appears notification view like system
A lightweight dropdown notification for iOS 7+