This is where the code for the Ammonite project lives: Ammonite-REPL, the improved Scala REPL If you use Ammonite and like it, you will probably enjoy the following book by the Author: Hands-on Scala Programming Hands-on Scala has uses Ammonite extensively throughout the book, using Ammonite to accomplish a lot of useful tasks: exploring third party libraries or writing parallel web-crawlers in th