https://github.com/tensorflow/swift はプロジェクトのランディングページとして残るみたいですよ。 https://forums.swift.org/t/swift-for-tensorflow-to-be-developed-on-tensorflow-branch-on-apple-swift-on-github/12595/8?u=norio_nomura

swift - Swift for TensorFlow project home page

“Swift for TensorFlow” to be developed on “tensorflow” bra...

Likewise, we plan to keep github/tensorflow/swift as the landing page for the project. Machine learning researchers don’t necessarily care about the ins and outs of the Swift open source project. The programming language is just an implementa...