How to: Alert & Action Sheet
- [SweetAlert](https://github.com/codestergit/SweetAlert-iOS) - Live animated Alert View for iOS written in Swift.
- [NYAlertViewController](https://github.com/nealyoung/NYAlertViewController) - Highly configurable iOS Alert Views with custom content views.
- [SCLAlertView-Swift](https://github.com/vikmeup/SCLAlertView-Swift) - Beautiful animated Alert View, written in Swift.
- [TTGSnackbar](https://github.com/zekunyan/TTGSnackbar) - Show simple message and action button on the bottom of the screen with multi kinds of animation.
- [Swift-Prompts](https://github.com/GabrielAlva/Swift-Prompts) - A Swift library to design custom prompts with a great scope of options to choose from.
- [BRYXBanner](https://github.com/bryx-inc/BRYXBanner) - A lightweight dropdown notification for iOS 7+, in Swift.
- [LNRSimpleNotifications](https://github.com/LISNR/LNRSimpleNotifications) - Simple Swift in-app notifications. LNRSimpleNotifications is a simplified Swift port of TSMessages.
- [HDNotificationView](https://github.com/nhdang103/HDNotificationView) - Emulates the native Notification Banner UI for any alert.
- [JDStatusBarNotification](https://github.com/calimarkus/JDStatusBarNotification) - Easy, customizable notifications displayed on top of the statusbar.
- [Notie](https://github.com/thii/Notie) - In-app notification in Swift, with customizable buttons and input text field.
- [EZAlertController](https://github.com/thellimist/EZAlertController) - Easy Swift UIAlertController.
- [GSMessages](https://github.com/wxxsw/GSMessages) - A simple style messages/notifications for iOS 7+.
- [OEANotification](https://github.com/OEA/OEANotification) - In-app customizable notification views on top of screen for iOS which is written in Swift 2.1.
- [RKDropdownAlert](https://github.com/cwRichardKim/RKDropdownAlert) - Extremely simple UIAlertView alternative.
- [TKSwarmAlert](https://github.com/entotsu/TKSwarmAlert) - Animated alert library like Swarm app.
- [SimpleAlert](https://github.com/KyoheiG3/SimpleAlert) - Customizable simple Alert and simple ActionSheet for Swift.
- [Hokusai](https://github.com/ytakzk/Hokusai) - A Swift library to provide a bouncy action sheet.
- [SwiftNotice](https://github.com/johnlui/SwiftNotice) - SwiftNotice is a GUI library for displaying various popups (HUD) written in pure Swift, fits any scrollview.
- [SwiftOverlays](https://github.com/peterprokop/SwiftOverlays) - SwiftOverlays is a Swift GUI library for displaying various popups and notifications.
- [SwiftyDrop](https://github.com/morizotter/SwiftyDrop) - SwiftyDrop is a lightweight pure Swift simple and beautiful dropdown message.
- [LKAlertController](https://github.com/Lightningkite/LKAlertController) - An easy to use UIAlertController builder for swift.
- [DOAlertController](https://github.com/okmr-d/DOAlertController) - Simple Alert View written in Swift, which can be used as a UIAlertController. (AlertController/AlertView/ActionSheet).
- [CustomizableActionSheet](https://github.com/beryu/CustomizableActionSheet) - Action sheet allows including your custom views and buttons.
- [Toast-Swift](https://github.com/scalessec/Toast-Swift) - A Swift extension that adds toast notifications to the UIView object class.
- [PMAlertController](https://github.com/pmusolino/PMAlertController) - PMAlertController is a great and customizable substitute to UIAlertController.
- [PopupViewController](https://github.com/dimillian/PopupViewController) - UIAlertController drop in replacement with much more customization.
- [AlertViewLoveNotification](https://github.com/PhilippeBoisney/AlertViewLoveNotification) - A simple and attractive AlertView to ask permission to your users for Push Notification.
- [CRToast](https://github.com/cruffenach/CRToast) - A modern iOS toast view that can fit your notification needs.
- [JLToast](https://github.com/devxoul/Toaster) - Toast for iOS with very simple interface.
- [CuckooAlert](https://github.com/rollmind/CuckooAlert) - Multiple use of presentViewController for UIAlertController.
- [KRAlertController](https://github.com/krimpedance/KRAlertController) - A colored alert view for your iOS.
- [Dodo](https://github.com/evgenyneu/Dodo) - A message bar for iOS written in Swift.
- [MaterialActionSheetController](https://github.com/ntnhon/MaterialActionSheetController) - A Google like action sheet for iOS written in Swift.
- [SwiftMessages](https://github.com/SwiftKickMobile/SwiftMessages) - A very flexible message bar for iOS written in Swift.
- [FCAlertView](https://github.com/krispenney/FCAlertView) - A Flat Customizable AlertView for iOS. (Swift).
- [FCAlertView](https://github.com/nimati/FCAlertView) - A Flat Customizable AlertView for iOS. (Objective-C).
- [CDAlertView](https://github.com/candostdagdeviren/CDAlertView) - Highly customizable alert/notification/success/error/alarm popup.
- [RMActionController](https://github.com/CooperRS/RMActionController) - Present any UIView in an UIAlertController like manner.
- [RMDateSelectio