UIScrollView-ScrollAnimation

UIScrollView category with custom timing function for animation of setContentOffset

AVCompositionDebugViewer

AVComposition debugging viewer, borrowed from Apple sample project and converted to cocoapod

valentine-gift

A valentine gift... with Swift

JLURLConnection

A convenient class for handling multiple synchronous and asynchronous downloads to NSData or to a file

JLObjectObserver

A generic class plus category for easily handling key-value-observing with the help of blocks