Khan Academy is a non-profit educational organization.

SWAD core is a CGI programmed in C comprising almost all the functionality of the platform. The core is supplemented with some external programs like photo pr…

Playir is a mobile app and game creation platform, that allows you to create your own games and apps from pre-made templates.

Udemy.com is an online learning platform. It is aimed at professional adults who want to add new skills to their resumes, or explore their passions.

Quizlet makes simple learning tools that let you study anything.

NinChanese is a story-based, interactive language application that teaches you to speak, read, write, and understand Chinese.