SBT
https://code.google.com/archive/p/simple-build-tool/downloads
http://www.scala-sbt.org/
http://www.scala-sbt.org/download.html
http://www.scala-sbt.org/0.13/docs/Manual-Installation.html
http://www.scala-sbt.org/release/docs/Setup.html
http://www.scala-sbt.org/release/docs/Hello.html