Set up your computer with the following tools:
Latest version of Ruby (for Sass, and other tools) Node.js, PostgreSQL, MongoDB, Redis,
Editors: We use Atom.io or Sublime Text 3 in class, and I'm betting you already do too (unless you rock Vim or Emacs). It has a fully-featured, unlimited time Trial mode.
Optional: if you are coming from an IDE like Visual Studio or Eclipse, you may like WebStorm (trial version) better