FSCalendar

A fully customizable iOS calendar library, compatible with Objective-C and Swift

FSPagerView

FSPagerView is an elegant Screen Slide Library. It is extremely helpful for making Banner View、Product Show、Welcome/Guide Pages、Screen/ViewController Sliders.

FSMediaPicker

An integration of UIActionSheet, UIAlertController and UIImagePickerController which allows you to pick media(image/video) effortlessly, with circular crop supported, and written in Objective-C

NSCalendarExtension

Use high-level interfaces of NSCalendar and NSDateComponents in lower version than iOS8