A photo very lightweight photo app build on Swift 2.X
- Ray wenderlich (en) : Good tutorials but may be too completed (sometimes there is so many features in them)
- Appcoda (en)
- NSHipster (en) : Nice mix between a documentation and tutorial. Every documentorials are in Swift (2.X ?) and Objective-C (Mostly Swift)
- Swift code (fr) : Translated documention of Swift. Partial but enough completed enough to understand some technical things