I have completed the iOS version of Answers Against Humanity, it is currently in the App Store submission process, but I am thinking it might be rejected due to the content.
I will keep re-iterating (for the next 6 months at least) that whilst Swift is not the first language from a commercial company to be open-sourced, the enthusiasm and outcomes so far have been astounding.
I'm excited about Swift for reasons I will expand upon later, but it's mostly the enthusiasm it has attracted. In less than six months, here are the project's GitHub stats.
Swift Playgrounds from Apple is a slick integrated coding education tool — how far does go it to teach one of the hottest languages of the past 5 years?