Code.org includes free coding lessons and the initiative also targets schools in an attempt to encourage them to include more computer science classes in the …

Codelearn helps you learn Ruby On Rails by creating an app right In your browser.

freeCodeCamp (“Free Code Camp”) is a nonprofit organization that consists of an interactive learning web platform, an online community forum, chat rooms, Medi…

SoloLearn provides coding tutorials mainly through its mobile app.

Tutorialspoint provides free tutorials online.

CodeHS is an interactive online learning platform offering computer science and programming instruction.

Coderbyte is a web application that helps you practice your programming skills, prepare for coding bootcamps, and prepare for job interviews.

Nettuts+ is a popular site aimed at web developers and designers offering tutorials and articles on technologies, skills, and techniques.

Treehouse is an online school that teaches technology. Treehouse has courses on hundreds of topics.