Calm is a software company based in San Francisco, California. It produces meditation products, including guided meditations and Sleep Stories.

You can learn anything. Expert-created content and resources for every course and level. Always free.

Duolingo is a platform that includes a language-learning website and app, as well as a digital language proficiency assessment exam.

Headspace is your guide to health and happiness. It’s the simple way to let go of stress and get a better night’s rest. Learn to relax with guided meditations and mindfulness techniques that bring calm, wellness and balance to your life in just a few minutes a day. Plus, Sleep by Headspace helps you create the ideal conditions for a good night’s rest.

JoyTunes makes it easy and fun for anyone to learn piano! Learn piano with our piano apps that automatically detect notes played on real instruments providing you with instant feedback. With thousands of songs to learn with, you'll be inspired to play