freeCodeCamp is a nonprofit organization that has taught millions of people to code completely free. Founded in 2014 by Quincy Larson, it has become one of the most recognized names in coding education. The curriculum is structured as a series of certifications, each taking approximately 300 hours to complete: Responsive Web Design, JavaScript Algorithms & Data Structures, Front End Libraries (React), Back End Development (Node.js), Data Visualization, APIs & Microservices, Quality Assurance, Scientific Computing with Python, Data Analysis with Python, Information Security, Machine Learning with Python. What makes freeCodeCamp unique: interactive coding challenges directly in the browser, real projects that get reviewed before certification, an active forum with 1M+ members, and a YouTube channel with 10,000+ hours of free tutorials. Everything is truly free - no ads, no upsells. Graduates have landed jobs at Google, Microsoft, Amazon, and countless startups. The platform has also published popular textbooks and run conferences.