THLabel
The extension of UILabel provides effects such as shadow, gradient, and Black edge. The title is good. PS is required, and now the Label is used directly. Project address
TMCache
One of Tumblr's open-source projects provides Cache services for iOS and OSX. Project address
BButton
The UIButton extension provides a Bootstrap-like button for iOS. Project address
WSCoachMarksView
Provide a mask effect on the control to display help information. Here is a demo video. Project address
SKNavigationController
Long press the back button to display the access history of the NavigationController. Whether it is practical or not depends on a specific project. Project address
QuadCurveMenu
Menu buttons like Path2.0 are provided. Similar controls are much better. Project address
RRCircularMenu
Disc menu, used in the middle of the toolbar button is good. Project address
FlatUIKit
In the iOS version of FlatUI, you can directly use it to turn buttton, ProgressBar, UITableViewCell, and other items into Flat style project addresses.