The service was established in 2014 in Tokyo, Japan, and has been made available in English in October 2017. You can learn HTML & CSS, JavaScript, jQuery, Ruby, Ruby on Rails 5, PHP, Java, Python, the command line (Linux, Unix), or Git.
https://progate.com/
review - https://www.ghacks.net/2017/11/12/progate-learn-to-program-online-for-free/
#coursera
origin - http://www.pipiscrew.com/?p=11228 progate-learn-to-program-online-for-free