How to install Homebrew in Mac (10.9.+)

1. Open terminal, copy and paste below commnad:

$ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

 Update Homebrew:

$brew update

Install application:

$brew install <application-name>

Example; Install wget using Homebrew:
  $brew install wget

  $brew install sbt

  $brew install scala

  $brew install git

(install play)

$brew install typesafe-activator

List applications installed by homebrew:

$brew list

Remove application:

$brew  remove <application-name>

Check for issues:

$brew doctor

What you can do with Homebrew:

$man brew

Reference:
http://coolestguidesontheplanet.com/setting-up-os-x-mavericks-and-homebrew/