AsyncKitUtilities for asynchronous code inspired by JavaScript module 'async'.License: MITSwiftEventHubType-safe and handy observation system in Swift. It's like NSNotificationCenter or EventBus(Android).License: MITSwiftEventKitType-safe and handy observation system in Swift.License: MITSwiftSloppySwipingNavNavigationController that provides Sloppy SwipingLicense: MITSwift