Codeless drop-in universal library allows to prevent issues of keyboard sliding up and cover UITextField/UITextView. Neither need to write any code nor any setup required and much more.

Promises for Swift & ObjC.

iOS interview questions;iOS面试题集锦（附答案）

Kickstarter for iOS. Bring new ideas to life, anywhere.

One-click screenshots, video recordings, app installation for iOS and Android

Fully customisable tooltip view in Swift for iOS.

Cool wave like transition between two or more UICollectionView

iOS painting and drawing library based on Metal. 神笔马良有一支神笔（基于 Metal 的涂鸦绘图库）

An iOS UIView for presenting a minimalistic notification that doesn't block the UI and is highly configurable.

A rapid prototype of UISwitch built with Swift and PaintCode.

WeatherMap combines weather info with map display. You can view the ongoing weather change of an entire region in one scroll! A tool designed for those of you who road-trip or travel around often.

UIImageView Can Animate Sprite Image

An AR ruler app can measure length & area