Editor:

- Atom

   - Plugins:
     - Sublime-Style-Column-Selection
     - atom-beautiful
     - autocomplete-plus
     - emmet
     - pretty-json
     - (few other plugins for spotify etc...)

Utilities:

    - Grunt
    - Bower
    - Compass

Terminal: I personally use iTerm for all of my terminal needs, this is purely a personal choice.