The Swift programming language is now available under the Apache License 2.0



From Anandtech:

Back in June at WWDC 2015 Apple surprised a number of people by announcing that they would be making their Swift programming language open source in the near future. Swift is, in a way, a successor to Apples Objective-C programming language. It opens up development for iOS and OS X to developers that may have struggled with some of the idiosyncrasies of Objective-C, while also including a number of features that have become common among modern programming languages.

Today it appears that everything relating to licensing has been sorted out, and with version 2.2 the Swift programming language will now be made available under the Apache License 2.0, which is the same open source license used by the Android operating system. With Swift going open source, any member of the community can now propose additions to the language. The project is now available on the Apple Github account, along with some other repositories that are home to supporting tools like versions of the LLVM compiler and LLDB debugger for Swift.

  Apple Open Sources The Swift Programming Language