Khan Academy uses Python [1], Google App Engine [2], React.js [3] and recently Go [4] among other languages [5]. They have used Backbone.js [6] and experimente

Khan Academy uses Python [1], Google App Engine [2], React.js [3] and recently Go [4] among other languages [5]. They have used Backbone.js [6] and experimented with other programming languages like Kotlin [7]. Read their engineering blog [8] and you will know more and maybe learn a few things. [1] http://engineering.khanacademy.org/posts/python-refactor-1.htm http://engineering.khanacademy.org/posts/python-refactor-1.h... [2] http://engineering.khanacademy.org/posts/transaction-safety.htm http://engineering.khanacademy.org/posts/transaction-safety.... [3] http://engineering.khanacademy.org/posts/upgrade-buttons-links.htm http://engineering.khanacademy.org/posts/upgrade-buttons-lin... [4] http://engineering.khanacademy.org/posts/goliath.htm http://engineering.khanacademy.org/posts/goliath.htm [5] https://github.com/khan/ https://github.com/khan/ [6] http://engineering.khanacademy.org/posts/upgrade-buttons-links.htm http://engineering.khanacademy.org/posts/upgrade-buttons-lin... [7] http://engineering.khanacademy.org/posts/kotlin-adoption.htm http://engineering.khanacademy.org/posts/kotlin-adoption.htm [8] http://engineering.khanacademy.org/ http://engineering.khanacademy.org/