the odin project provides a free open source coding curriculum that can be taken entirely online. since its inception, it has helped many students get hired as developers and has assisted countless others in learning enough programming to work on their own personal projects. founded in 2013 by erik trautman, the odin project is now sponsored by thinkful, a new type of technology school that provides 1-on-1 learning through its network of industry experts, hiring partners, and online platform to deliver a structured and flexible education. the odin project is maintained and continually improved by a team of volunteers, many of whom learned to code with us. many find success from odin project's curriculum because of its hands-on approach with learning and emphasis on building projects. the curriculum is meticulously curated to ensure the content is up-to-date.

codecademy is an american online interactive platform that offers free coding classes in 12 different programming languages including python, java, go, javascript, ruby, sql, c++, c#, and swift, as well as markup languages html and css.

freecodecamp is a non-profit organization that consists of an interactive learning web platform, an online community forum, chat rooms, online publications and local organizations that intend to make learning web development accessible to anyone.