freeCodeCamp is a nonprofit educational organization and platform that offers a completely free, self-paced curriculum for learning coding and software development. It provides interactive coding challenges, projects, and certifications in various programming languages and technologies such as HTML, CSS, JavaScript, Python, C#, and more. The curriculum also includes full-stack web development, machine learning, information security, and other areas. Learners can earn verified certifications by completing projects and challenges, which can be linked to resumes and LinkedIn profiles. Additionally, freeCodeCamp offers a community forum, Discord server, and a YouTube channel with thousands of free programming tutorials and courses. The platform aims to help millions transition into tech careers and has a large global user base.