SuperCollider - an open source programming language

A Collection of Tutorials by various authors can be downloaded zipped from here

• Terminal (Unix Shell)
  

  A fast introduction to using the Unix Shell is here: http://freeengineer.org/learnUNIXin10minutes.html

• Git
  

• Emacs
  

  http://emacsformacosx.com/

• Org Mode for emacs
  

  http://orgmode.org/