Code.org is a nonprofit organization dedicated to expanding access to computer science education. It provides free online resources, courses, and tools for students, teachers, and schools to learn coding and computer science concepts. The platform aims to make computer science accessible to all, regardless of background or experience. Founded in 2013, Code.org is known for its annual Hour of Code campaign, which encourages students to try coding for at least one hour. The organization collaborates with various partners, including Microsoft and Amazon, to promote computer science education and support educators in teaching these essential skills.