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 curriculum. Developed by Code.org
License: Free
Nettuts+ offers a wide range of web development tutorials for various programming languages, making it ideal for learners looking to enhance their skills in this area. In contrast, Code.org focuses on introducing coding concepts to children through interactive and gamified lessons, making it more suitable for young learners.