Enhance your app / service with a photo editor. It's fully customizable and SDKs are available for iOS, Android and HTML5.
FileKit is a Swift framework that allows for simple and expressive file management.
A Maybe, Reader and Try monad implement in Swift as a proof of concept.
Sage is a cross-platform chess library for Swift.
Wrap is an easy to use Swift JSON encoder. Don't spend hours writing JSON encoding code - just wrap it instead!
Unbox is an easy to use Swift JSON decoder. Don't spend hours writing JSON decoding code - just unbox it instead!
Andrew Bancroft on how you can use a Core Data Model in a Swift playground.
The folks of flowkey released an Android app that actually uses Swift. In this article they share their experience.
Matt Gallagher looks at examples that trigger the 'expression was too complex to be solved in reasonable time' error and talks about negative effects that are caused by the same underlying issue.
In another article Ross LeBeau writes about Swift's type inference in closures.
Ross LeBeau writes about infinite lists in Swift and Swift Evolution Proposal SE-0094.