Love it or hate it, Vim is an extremely useful tool. This is a great tutorial that covers the basics and advanced techniques.
I’m going through a Pebble phase right now. I bought a Pebble Steel and want to start making apps for it. They have an online IDE called CloudPebble that lets you make Pebble apps using your web browser. The Pebble Developer website is a great resource for tutorials and documentation. Chris Lewis’ Github repository has a bunch of apps he’s made along with their source.
A webinar presented by John Lindquist covering the basics of productive coding in Webstorm.