Here is an information about using components.

Scala.
Scala is licensed under the BSD 3-Clause License. https://www.scala-lang.org/license/

Scala-xml.
Scala/scala-xml is licensed under the Apache License 2.0. https://github.com/scala/scala-xml/blob/master/LICENSE

Scalatest.
ScalaTest is free, open-source software released under the Apache 2.0 license. http://www.scalatest.org/about

Lightbend config.
Lightbend/config is licensed under the Apache License 2.0. https://github.com/lightbend/config/blob/master/LICENSE-2.0.txt

Sbt.
Sbt/sbt is licensed under the Apache License 2.0. https://github.com/sbt/sbt/blob/develop/LICENSE

Sbt-assembly.
Sbt/sbt-assembly is licensed under the MIT License. https://github.com/sbt/sbt-assembly/blob/master/LICENSE