Emmet (formerly known as Zen Coding) is a plugin for text editors helping you create CSS and HTML faster by using abbreviations to write common values saving ridiculous amounts of time along the way.
There are heaps of really useful features alongside Emmet’s primary text-expanding function. Here are a few of the hidden gems that I frequently use when coding1.
I, despite using the CodeKit on my Mac, at work I still use windows, what disturbs me a bit, because none of the apps is as practical as CodeKit.
Considering this, at an given moment I was developing is a responsive site, I decided to make a tool, using AngularJS, to test all the resolutions at same time.