The ultimate API for iOS & OS X Auto Layout — impressively simple, immensely powerful. Objective-C and Swift compatible.

An easy-to-use UITableViewCell subclass that implements a swippable content view which exposes utility buttons (similar to iOS 7 Mail Application)

Porting UIStackView to iOS 7+

[DEPRECATED] Open source alternative to UIActivityViewController, highly customizable and compatible with iOS 5.0.

iOS 二维码扫描控件, UI 做了优化, 仿造微信, 直接拖进项目就可使用, 支持 CocoaPods 安装. WeChat-like QRCode reader, drop-in version, support for CocoaPods

facebook's post-like input text view for iOS (Beerware license)

Beautiful and easy to use scrolling segment control.

iOS third UIActivityViewController