... I send out a list of most interesting libraries and apps in the "Swift" section to about 1100 subscribers.
Do you want it too?
Code from our book Swift Development with Cocoa (1st Edition), for O'Reilly Media.
iOS, tvOS and macOS Objective-C and Swift client library SDK for Ably realtime messaging service
Pure Swift Cross-platform UIKit (Cocoa Touch) implementation (Supports Linux)
A set of registration code generation and verification helpers for Obj-C, Ruby (Potion Store), PHP and FastSpring
Reactive extensions to Cocoa frameworks, built on top of ReactiveSwift
MQTT for iOS and macOS written with Swift
Reactive Programming in Swift