LearnKey is described as ', Inc., is a premier global provider of self-paced training solutions for corporate, education, government and personal users' and is an app in the Education & Reference category. There are more than 25 alternatives to LearnKey for a variety of platforms, including Online / Web-based, Android, iPhone, iPad and SaaS. The best alternative is Codecademy, which is free. Other great apps like LearnKey are W3Schools (Free), tutorialspoint (Free), Pluralsight (Paid) and Code.org (Free).
Online programming language courses, just like w3schools.com. It also includes a "Try it yourself" editor so that people can try their web designing source code in a browser, without downloading anything on their computer.