Ember Screencasts - Weekly screencasts focusing on Ember.js
Scrimba - Interactive coding screencasts created in an instant
Ghostlab - Ghostlab allows you to test out a newly developed website on a variety of browsers and mobile devices at the same time. To get started, simply drag the web address to the Ghostlab system and press the play button. Read more about Ghostlab.
Laracasts - Laracasts is the PHP and Laravel screencasts on the web.
Walkr - Galaxy Adventure in Your Pocket
Functional Programming in Swift - Learn core concepts of functional programming with Swift